64733600971 has 16 divisors (see below), whose sum is σ = 72020989600. Its totient is φ = 58139044704.

The previous prime is 64733600963. The next prime is 64733601013. The reversal of 64733600971 is 17900633746.

It is not a de Polignac number, because 64733600971 - 2³ = 64733600963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64733600171) 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 15 ways as a sum of consecutive naturals, for example, 316881 + ... + 479458.

It is an arithmetic number, because the mean of its divisors is an integer number (4501311850).

Almost surely, 2^64733600971 is an apocalyptic number.

64733600971 is a deficient number, since it is larger than the sum of its proper divisors (7287388629).

64733600971 is an equidigital number, since it uses as much as digits as its factorization.

64733600971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796415 (or 796389 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 46.

The spelling of 64733600971 in words is "sixty-four billion, seven hundred thirty-three million, six hundred thousand, nine hundred seventy-one".