45931511892 has 24 divisors (see below), whose sum is σ = 122484031936. Its totient is φ = 13123289088.

The previous prime is 45931511891. The next prime is 45931511893. The reversal of 45931511892 is 29811513954.

It is an interprime number because it is at equal distance from previous prime (45931511891) and next prime (45931511893).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45931511891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273401773 + ... + 273401940.

Almost surely, 2^45931511892 is an apocalyptic number.

45931511892 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45931511892 is an abundant number, since it is smaller than the sum of its proper divisors (76552520044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45931511892 is a wasteful number, since it uses less digits than its factorization.

45931511892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546803727 (or 546803725 counting only the distinct ones).

The product of its digits is 388800, while the sum is 48.

The spelling of 45931511892 in words is "forty-five billion, nine hundred thirty-one million, five hundred eleven thousand, eight hundred ninety-two".