2594705634481 has 3 divisors (see below), whose sum is σ = 2594707245291. Its totient is φ = 2594704023672.

The previous prime is 2594705634463. The next prime is 2594705634487. The reversal of 2594705634481 is 1844365074952.

The square root of 2594705634481 is 1610809.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 806387836081 + 1788317798400 = 897991^2 + 1337280^2 .

It is not a de Polignac number, because 2594705634481 - 2⁹ = 2594705633969 is a prime.

It is a super-2 number, since 2×2594705634481² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2594705634487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 805405 + ... + 2416213.

It is an arithmetic number, because the mean of its divisors is an integer number (864902415097).

It is a 1-persistent number, because it is pandigital, but 2⋅2594705634481 = 5189411268962 is not.

Almost surely, 2^{2594705634481} is an apocalyptic number.

2594705634481 is the 1610809-th square number.

2594705634481 is the 805405-th centered octagonal number.

It is an amenable number.

2594705634481 is a deficient number, since it is larger than the sum of its proper divisors (1610810).

2594705634481 is an frugal number, since it uses more digits than its factorization.

2594705634481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221618 (or 1610809 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 2594705634481 in words is "two trillion, five hundred ninety-four billion, seven hundred five million, six hundred thirty-four thousand, four hundred eighty-one".