64699260207 has 16 divisors (see below), whose sum is σ = 86394396000. Its totient is φ = 43068524544.

The previous prime is 64699260203. The next prime is 64699260209. The reversal of 64699260207 is 70206299646.

It is not a de Polignac number, because 64699260207 - 2² = 64699260203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64699260207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64699260203) 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, 13177269 + ... + 13182177.

It is an arithmetic number, because the mean of its divisors is an integer number (5399649750).

Almost surely, 2^64699260207 is an apocalyptic number.

64699260207 is a deficient number, since it is larger than the sum of its proper divisors (21695135793).

64699260207 is a wasteful number, since it uses less digits than its factorization.

64699260207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10570.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 64699260207 in words is "sixty-four billion, six hundred ninety-nine million, two hundred sixty thousand, two hundred seven".