64254904922 has 24 divisors (see below), whose sum is σ = 104735637504. Its totient is φ = 29551274064.

The previous prime is 64254904907. The next prime is 64254904943. The reversal of 64254904922 is 22940945246.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 240218 + ... + 431525.

It is an arithmetic number, because the mean of its divisors is an integer number (4363984896).

Almost surely, 2^64254904922 is an apocalyptic number.

64254904922 is a deficient number, since it is larger than the sum of its proper divisors (40480732582).

64254904922 is a wasteful number, since it uses less digits than its factorization.

64254904922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672054 (or 672041 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 64254904922 in words is "sixty-four billion, two hundred fifty-four million, nine hundred four thousand, nine hundred twenty-two".