44564464163 has 4 divisors (see below), whose sum is σ = 44759069040. Its totient is φ = 44369859288.

The previous prime is 44564464123. The next prime is 44564464171. The reversal of 44564464163 is 36146446544.

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

It is a cyclic number.

It is not a de Polignac number, because 44564464163 - 2⁶ = 44564464099 is a prime.

It is a super-2 number, since 2×44564464163² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44564464123) 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, 97302095 + ... + 97302552.

It is an arithmetic number, because the mean of its divisors is an integer number (11189767260).

Almost surely, 2^44564464163 is an apocalyptic number.

44564464163 is a deficient number, since it is larger than the sum of its proper divisors (194604877).

44564464163 is a wasteful number, since it uses less digits than its factorization.

44564464163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194604876.

The product of its digits is 3317760, while the sum is 47.

The spelling of 44564464163 in words is "forty-four billion, five hundred sixty-four million, four hundred sixty-four thousand, one hundred sixty-three".