64930385584655 has 16 divisors (see below), whose sum is σ = 79825585096224. Its totient is φ = 50674502981760.

The previous prime is 64930385584643. The next prime is 64930385584663. The reversal of 64930385584655 is 55648558303946.

It is not a de Polignac number, because 64930385584655 - 2¹⁸ = 64930385322511 is a prime.

It is a Duffinian number.

It is a congruent 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, 183746624 + ... + 184099653.

It is an arithmetic number, because the mean of its divisors is an integer number (4989099068514).

Almost surely, 2^{64930385584655} is an apocalyptic number.

64930385584655 is a deficient number, since it is larger than the sum of its proper divisors (14895199511569).

64930385584655 is a wasteful number, since it uses less digits than its factorization.

64930385584655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367847146.

The product of its (nonzero) digits is 1866240000, while the sum is 71.

The spelling of 64930385584655 in words is "sixty-four trillion, nine hundred thirty billion, three hundred eighty-five million, five hundred eighty-four thousand, six hundred fifty-five".