64676453207 has 16 divisors (see below), whose sum is σ = 68439577440. Its totient is φ = 60949905408.

The previous prime is 64676453183. The next prime is 64676453227. The reversal of 64676453207 is 70235467646.

It is a cyclic number.

It is not a de Polignac number, because 64676453207 - 2¹⁴ = 64676436823 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 (64676453227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3687683 + ... + 3705179.

It is an arithmetic number, because the mean of its divisors is an integer number (4277473590).

Almost surely, 2^64676453207 is an apocalyptic number.

64676453207 is a deficient number, since it is larger than the sum of its proper divisors (3763124233).

64676453207 is a wasteful number, since it uses less digits than its factorization.

64676453207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18530.

The product of its (nonzero) digits is 5080320, while the sum is 50.

The spelling of 64676453207 in words is "sixty-four billion, six hundred seventy-six million, four hundred fifty-three thousand, two hundred seven".