64949351300 has 18 divisors (see below), whose sum is σ = 140940092538. Its totient is φ = 25979740480.

The previous prime is 64949351263. The next prime is 64949351329. The reversal of 64949351300 is 315394946.

64949351300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 22572658564 + 42376692736 = 150242^2 + 205856^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 324746657 + ... + 324746856.

It is an arithmetic number, because the mean of its divisors is an integer number (7830005141).

Almost surely, 2^64949351300 is an apocalyptic number.

It is an amenable number.

64949351300 is an abundant number, since it is smaller than the sum of its proper divisors (75990741238).

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

64949351300 is a wasteful number, since it uses less digits than its factorization.

64949351300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649493527 (or 649493520 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 64949351300 in words is "sixty-four billion, nine hundred forty-nine million, three hundred fifty-one thousand, three hundred".