64464051705 has 16 divisors (see below), whose sum is σ = 103294851264. Its totient is φ = 34330038080.

The previous prime is 64464051703. The next prime is 64464051737. The reversal of 64464051705 is 50715046446.

It is not a de Polignac number, because 64464051705 - 2¹ = 64464051703 is a prime.

It is a super-2 number, since 2×64464051705² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64464051703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3163851 + ... + 3184160.

It is an arithmetic number, because the mean of its divisors is an integer number (6455928204).

Almost surely, 2^64464051705 is an apocalyptic number.

It is an amenable number.

64464051705 is a deficient number, since it is larger than the sum of its proper divisors (38830799559).

64464051705 is a wasteful number, since it uses less digits than its factorization.

64464051705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6348696.

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 64464051705 in words is "sixty-four billion, four hundred sixty-four million, fifty-one thousand, seven hundred five".