64530431704 has 16 divisors (see below), whose sum is σ = 121177617120. Its totient is φ = 32216400480.

The previous prime is 64530431687. The next prime is 64530431711. The reversal of 64530431704 is 40713403546.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6096304 + ... + 6106879.

It is an arithmetic number, because the mean of its divisors is an integer number (7573601070).

Almost surely, 2^64530431704 is an apocalyptic number.

It is an amenable number.

64530431704 is a deficient number, since it is larger than the sum of its proper divisors (56647185416).

64530431704 is a wasteful number, since it uses less digits than its factorization.

64530431704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12203850 (or 12203846 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 64530431704 in words is "sixty-four billion, five hundred thirty million, four hundred thirty-one thousand, seven hundred four".