45189849831 has 16 divisors (see below), whose sum is σ = 72484972800. Its totient is φ = 24463677888.

The previous prime is 45189849827. The next prime is 45189849839. The reversal of 45189849831 is 13894898154.

It is not a de Polignac number, because 45189849831 - 2² = 45189849827 is a prime.

It is a super-2 number, since 2×45189849831² (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 (45189849839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56628486 + ... + 56629283.

It is an arithmetic number, because the mean of its divisors is an integer number (4530310800).

Almost surely, 2^45189849831 is an apocalyptic number.

45189849831 is a deficient number, since it is larger than the sum of its proper divisors (27295122969).

45189849831 is a wasteful number, since it uses less digits than its factorization.

45189849831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113257798.

The product of its digits is 9953280, while the sum is 60.

The spelling of 45189849831 in words is "forty-five billion, one hundred eighty-nine million, eight hundred forty-nine thousand, eight hundred thirty-one".