64704371213 has 16 divisors (see below), whose sum is σ = 67915653120. Its totient is φ = 61527049584.

The previous prime is 64704371197. The next prime is 64704371231. The reversal of 64704371213 is 31217340746.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 64704371213 - 2⁴ = 64704371197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64704371243) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3802358 + ... + 3819336.

It is an arithmetic number, because the mean of its divisors is an integer number (4244728320).

Almost surely, 2^64704371213 is an apocalyptic number.

It is an amenable number.

64704371213 is a deficient number, since it is larger than the sum of its proper divisors (3211281907).

64704371213 is a wasteful number, since it uses less digits than its factorization.

64704371213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17968.

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 64704371213 in words is "sixty-four billion, seven hundred four million, three hundred seventy-one thousand, two hundred thirteen".