82594736449 has 3 divisors (see below), whose sum is σ = 82595023843. Its totient is φ = 82594449056.

The previous prime is 82594736417. The next prime is 82594736479. The reversal of 82594736449 is 94463749528.

It is a happy number.

The square root of 82594736449 is 287393.

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., 2713889025 + 79880847424 = 52095^2 + 282632^2 .

It is not a de Polignac number, because 82594736449 - 2⁵ = 82594736417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82594736479) 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, 143697 + ... + 431089.

Almost surely, 2^82594736449 is an apocalyptic number.

82594736449 is the 287393-rd square number.

82594736449 is the 143697-th centered octagonal number.

It is an amenable number.

82594736449 is a deficient number, since it is larger than the sum of its proper divisors (287394).

82594736449 is an frugal number, since it uses more digits than its factorization.

82594736449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574786 (or 287393 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 61.

The spelling of 82594736449 in words is "eighty-two billion, five hundred ninety-four million, seven hundred thirty-six thousand, four hundred forty-nine".