45516691538 has 8 divisors (see below), whose sum is σ = 68277333888. Its totient is φ = 22757580244.

The previous prime is 45516691529. The next prime is 45516691541. The reversal of 45516691538 is 83519661554.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45516691538.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305306 + ... + 429237.

It is an arithmetic number, because the mean of its divisors is an integer number (8534666736).

Almost surely, 2^45516691538 is an apocalyptic number.

45516691538 is a deficient number, since it is larger than the sum of its proper divisors (22760642350).

45516691538 is a wasteful number, since it uses less digits than its factorization.

45516691538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765528.

The product of its digits is 3888000, while the sum is 53.

The spelling of 45516691538 in words is "forty-five billion, five hundred sixteen million, six hundred ninety-one thousand, five hundred thirty-eight".