64733322956 has 48 divisors (see below), whose sum is σ = 116244707040. Its totient is φ = 31529971200.

The previous prime is 64733322949. The next prime is 64733322991. The reversal of 64733322956 is 65922333746.

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, 25098875 + ... + 25101453.

It is an arithmetic number, because the mean of its divisors is an integer number (2421764730).

Almost surely, 2^64733322956 is an apocalyptic number.

It is an amenable number.

64733322956 is a deficient number, since it is larger than the sum of its proper divisors (51511384084).

64733322956 is a wasteful number, since it uses less digits than its factorization.

64733322956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434 (or 3432 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 50.

The spelling of 64733322956 in words is "sixty-four billion, seven hundred thirty-three million, three hundred twenty-two thousand, nine hundred fifty-six".