44792590021 has 2 divisors, whose sum is σ = 44792590022. Its totient is φ = 44792590020.

The previous prime is 44792589991. The next prime is 44792590043. The reversal of 44792590021 is 12009529744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41773636996 + 3018953025 = 204386^2 + 54945^2 .

It is a cyclic number.

It is not a de Polignac number, because 44792590021 - 2²⁵ = 44759035589 is a prime.

It is a super-2 number, since 2×44792590021² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44792590021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44792590721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22396295010 + 22396295011.

It is an arithmetic number, because the mean of its divisors is an integer number (22396295011).

Almost surely, 2^44792590021 is an apocalyptic number.

It is an amenable number.

44792590021 is a deficient number, since it is larger than the sum of its proper divisors (1).

44792590021 is an equidigital number, since it uses as much as digits as its factorization.

44792590021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 44792590021 in words is "forty-four billion, seven hundred ninety-two million, five hundred ninety thousand, twenty-one".