45392212979 has 32 divisors (see below), whose sum is σ = 49984330560. Its totient is φ = 41066611200.

The previous prime is 45392212961. The next prime is 45392212981. The reversal of 45392212979 is 97921229354.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45392212979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45392212979.

It is not an unprimeable number, because it can be changed into a prime (45392214979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28001789 + ... + 28003409.

It is an arithmetic number, because the mean of its divisors is an integer number (1562010330).

Almost surely, 2^45392212979 is an apocalyptic number.

45392212979 is a deficient number, since it is larger than the sum of its proper divisors (4592117581).

45392212979 is a wasteful number, since it uses less digits than its factorization.

45392212979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391.

The product of its digits is 2449440, while the sum is 53.

The spelling of 45392212979 in words is "forty-five billion, three hundred ninety-two million, two hundred twelve thousand, nine hundred seventy-nine".