64910828684 has 24 divisors (see below), whose sum is σ = 122347653120. Its totient is φ = 29954997504.

The previous prime is 64910828639. The next prime is 64910828687. The reversal of 64910828684 is 48682801946.

It is not an unprimeable number, because it can be changed into a prime (64910828687) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 350837 + ... + 502899.

It is an arithmetic number, because the mean of its divisors is an integer number (5097818880).

Almost surely, 2^64910828684 is an apocalyptic number.

It is an amenable number.

64910828684 is a deficient number, since it is larger than the sum of its proper divisors (57436824436).

64910828684 is a wasteful number, since it uses less digits than its factorization.

64910828684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160289 (or 160287 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 64910828684 in words is "sixty-four billion, nine hundred ten million, eight hundred twenty-eight thousand, six hundred eighty-four".