64984224945 has 16 divisors (see below), whose sum is σ = 104021796672. Its totient is φ = 34642574400.

The previous prime is 64984224913. The next prime is 64984224953. The reversal of 64984224945 is 54942248946.

It is not a de Polignac number, because 64984224945 - 2⁵ = 64984224913 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 945631 + ... + 1012020.

It is an arithmetic number, because the mean of its divisors is an integer number (6501362292).

Almost surely, 2^64984224945 is an apocalyptic number.

It is an amenable number.

64984224945 is a deficient number, since it is larger than the sum of its proper divisors (39037571727).

64984224945 is a wasteful number, since it uses less digits than its factorization.

64984224945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959872.

The product of its digits is 19906560, while the sum is 57.

The spelling of 64984224945 in words is "sixty-four billion, nine hundred eighty-four million, two hundred twenty-four thousand, nine hundred forty-five".