64416983705 has 16 divisors (see below), whose sum is σ = 77909610240. Its totient is φ = 51128895552.

The previous prime is 64416983699. The next prime is 64416983707. The reversal of 64416983705 is 50738961446.

It is a cyclic number.

It is not a de Polignac number, because 64416983705 - 2⁴ = 64416983689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64416983707) 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, 262532 + ... + 444698.

It is an arithmetic number, because the mean of its divisors is an integer number (4869350640).

Almost surely, 2^64416983705 is an apocalyptic number.

It is an amenable number.

64416983705 is a deficient number, since it is larger than the sum of its proper divisors (13492626535).

64416983705 is a wasteful number, since it uses less digits than its factorization.

64416983705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182728.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 64416983705 in words is "sixty-four billion, four hundred sixteen million, nine hundred eighty-three thousand, seven hundred five".