64725884666234 has 32 divisors (see below), whose sum is σ = 106561688994432. Its totient is φ = 29241285120000.

The previous prime is 64725884666143. The next prime is 64725884666243. The reversal of 64725884666234 is 43266648852746.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30727634 + ... + 32766434.

It is an arithmetic number, because the mean of its divisors is an integer number (3330052781076).

Almost surely, 2^{64725884666234} is an apocalyptic number.

64725884666234 is a deficient number, since it is larger than the sum of its proper divisors (41835804328198).

64725884666234 is a wasteful number, since it uses less digits than its factorization.

64725884666234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047622.

The product of its digits is 2229534720, while the sum is 71.

The spelling of 64725884666234 in words is "sixty-four trillion, seven hundred twenty-five billion, eight hundred eighty-four million, six hundred sixty-six thousand, two hundred thirty-four".