45751431999 has 32 divisors (see below), whose sum is σ = 75108221440. Its totient is φ = 24123318912.

The previous prime is 45751431991. The next prime is 45751432007. The reversal of 45751431999 is 99913415754.

It is an interprime number because it is at equal distance from previous prime (45751431991) and next prime (45751432007).

It is not a de Polignac number, because 45751431999 - 2³ = 45751431991 is a prime.

It is a super-2 number, since 2×45751431999² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45751431991) 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, 708057 + ... + 769965.

It is an arithmetic number, because the mean of its divisors is an integer number (2347131920).

Almost surely, 2^45751431999 is an apocalyptic number.

45751431999 is a deficient number, since it is larger than the sum of its proper divisors (29356789441).

45751431999 is a wasteful number, since it uses less digits than its factorization.

45751431999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64639.

The product of its digits is 6123600, while the sum is 57.

The spelling of 45751431999 in words is "forty-five billion, seven hundred fifty-one million, four hundred thirty-one thousand, nine hundred ninety-nine".