64750552315 has 16 divisors (see below), whose sum is σ = 81254135808. Its totient is φ = 49441192416.

The previous prime is 64750552309. The next prime is 64750552367. The reversal of 64750552315 is 51325505746.

It is a cyclic number.

It is not a de Polignac number, because 64750552315 - 2¹⁹ = 64750028027 is a prime.

It is a Duffinian 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, 554799 + ... + 661288.

It is an arithmetic number, because the mean of its divisors is an integer number (5078383488).

Almost surely, 2^64750552315 is an apocalyptic number.

64750552315 is a deficient number, since it is larger than the sum of its proper divisors (16503583493).

64750552315 is a wasteful number, since it uses less digits than its factorization.

64750552315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216578.

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 64750552315 in words is "sixty-four billion, seven hundred fifty million, five hundred fifty-two thousand, three hundred fifteen".