45021979675 has 24 divisors (see below), whose sum is σ = 58198810752. Its totient is φ = 34510560000.

The previous prime is 45021979649. The next prime is 45021979727. The reversal of 45021979675 is 57697912054.

It is a happy number.

45021979675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45021979675 - 2¹⁹ = 45021455387 is a prime.

It is a super-2 number, since 2×45021979675² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209314 + ... + 365863.

It is an arithmetic number, because the mean of its divisors is an integer number (2424950448).

Almost surely, 2^45021979675 is an apocalyptic number.

45021979675 is a deficient number, since it is larger than the sum of its proper divisors (13176831077).

45021979675 is a wasteful number, since it uses less digits than its factorization.

45021979675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575319 (or 575314 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 55.

The spelling of 45021979675 in words is "forty-five billion, twenty-one million, nine hundred seventy-nine thousand, six hundred seventy-five".