45931345919 has 4 divisors (see below), whose sum is σ = 45932326944. Its totient is φ = 45930364896.

The previous prime is 45931345879. The next prime is 45931345939. The reversal of 45931345919 is 91954313954.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45931345919 - 2²⁴ = 45914568703 is a prime.

It is a super-2 number, since 2×45931345919² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45931345939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416567 + ... + 515160.

It is an arithmetic number, because the mean of its divisors is an integer number (11483081736).

Almost surely, 2^45931345919 is an apocalyptic number.

45931345919 is a deficient number, since it is larger than the sum of its proper divisors (981025).

45931345919 is an equidigital number, since it uses as much as digits as its factorization.

45931345919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981024.

The product of its digits is 2624400, while the sum is 53.

The spelling of 45931345919 in words is "forty-five billion, nine hundred thirty-one million, three hundred forty-five thousand, nine hundred nineteen".