64470334163 has 4 divisors (see below), whose sum is σ = 64471915200. Its totient is φ = 64468753128.

The previous prime is 64470334151. The next prime is 64470334259. The reversal of 64470334163 is 36143307446.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64470334163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64470334163.

It is not an unprimeable number, because it can be changed into a prime (64470334133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727688 + ... + 811461.

It is an arithmetic number, because the mean of its divisors is an integer number (16117978800).

Almost surely, 2^64470334163 is an apocalyptic number.

64470334163 is a deficient number, since it is larger than the sum of its proper divisors (1581037).

64470334163 is a wasteful number, since it uses less digits than its factorization.

64470334163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581036.

The product of its (nonzero) digits is 435456, while the sum is 41.

The spelling of 64470334163 in words is "sixty-four billion, four hundred seventy million, three hundred thirty-four thousand, one hundred sixty-three".