45577961637 has 32 divisors (see below), whose sum is σ = 69382333440. Its totient is φ = 26409576960.

The previous prime is 45577961629. The next prime is 45577961651. The reversal of 45577961637 is 73616977554.

It is a happy number.

It is not a de Polignac number, because 45577961637 - 2³ = 45577961629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45577961657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464712 + ... + 554177.

It is an arithmetic number, because the mean of its divisors is an integer number (2168197920).

Almost surely, 2^45577961637 is an apocalyptic number.

It is an amenable number.

45577961637 is a deficient number, since it is larger than the sum of its proper divisors (23804371803).

45577961637 is a wasteful number, since it uses less digits than its factorization.

45577961637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018973.

The product of its digits is 33339600, while the sum is 60.

The spelling of 45577961637 in words is "forty-five billion, five hundred seventy-seven million, nine hundred sixty-one thousand, six hundred thirty-seven".