64473530620264 has 32 divisors (see below), whose sum is σ = 127709777152800. Its totient is φ = 30429840386880.

The previous prime is 64473530620243. The next prime is 64473530620313. The reversal of 64473530620264 is 46202603537446.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765604042 + ... + 765688249.

It is an arithmetic number, because the mean of its divisors is an integer number (3990930536025).

Almost surely, 2^{64473530620264} is an apocalyptic number.

It is an amenable number.

64473530620264 is a deficient number, since it is larger than the sum of its proper divisors (63236246532536).

64473530620264 is a wasteful number, since it uses less digits than its factorization.

64473530620264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531292593 (or 1531292589 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 52.

The spelling of 64473530620264 in words is "sixty-four trillion, four hundred seventy-three billion, five hundred thirty million, six hundred twenty thousand, two hundred sixty-four".