45519745947 has 32 divisors (see below), whose sum is σ = 68353356288. Its totient is φ = 26735360256.

The previous prime is 45519745927. The next prime is 45519745963. The reversal of 45519745947 is 74954791554.

It is not a de Polignac number, because 45519745947 - 2¹⁰ = 45519744923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45519745927) 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 31 ways as a sum of consecutive naturals, for example, 354408 + ... + 465450.

It is an arithmetic number, because the mean of its divisors is an integer number (2136042384).

Almost surely, 2^45519745947 is an apocalyptic number.

45519745947 is a deficient number, since it is larger than the sum of its proper divisors (22833610341).

45519745947 is a wasteful number, since it uses less digits than its factorization.

45519745947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111539.

The product of its digits is 31752000, while the sum is 60.

The spelling of 45519745947 in words is "forty-five billion, five hundred nineteen million, seven hundred forty-five thousand, nine hundred forty-seven".