64794956496 has 80 divisors (see below), whose sum is σ = 168027995520. Its totient is φ = 21515742720.

The previous prime is 64794956411. The next prime is 64794956503. The reversal of 64794956496 is 69465949746.

It is a self number, because there is not a number n which added to its sum of digits gives 64794956496.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29172666 + ... + 29174886.

It is an arithmetic number, because the mean of its divisors is an integer number (2100349944).

Almost surely, 2^64794956496 is an apocalyptic number.

It is an amenable number.

64794956496 is an abundant number, since it is smaller than the sum of its proper divisors (103233039024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64794956496 is a wasteful number, since it uses less digits than its factorization.

64794956496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284 (or 4278 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 69.

The spelling of 64794956496 in words is "sixty-four billion, seven hundred ninety-four million, nine hundred fifty-six thousand, four hundred ninety-six".