3623087640481 has 3 divisors (see below), whose sum is σ = 3623089543923. Its totient is φ = 3623085737040.

The previous prime is 3623087640467. The next prime is 3623087640499. The reversal of 3623087640481 is 1840467803263.

The square root of 3623087640481 is 1903441.

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., 31456214881 + 3591631425600 = 177359^2 + 1895160^2 .

It is not a de Polignac number, because 3623087640481 - 2²⁹ = 3622550769569 is a prime.

It is a super-2 number, since 2×3623087640481² (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 (3623087640461) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 951721 + ... + 2855161.

It is an arithmetic number, because the mean of its divisors is an integer number (1207696514641).

Almost surely, 2^{3623087640481} is an apocalyptic number.

3623087640481 is the 1903441-st square number.

3623087640481 is the 951721-st centered octagonal number.

It is an amenable number.

3623087640481 is a deficient number, since it is larger than the sum of its proper divisors (1903442).

3623087640481 is an frugal number, since it uses more digits than its factorization.

3623087640481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806882 (or 1903441 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 52.

The spelling of 3623087640481 in words is "three trillion, six hundred twenty-three billion, eighty-seven million, six hundred forty thousand, four hundred eighty-one".