44609891164 has 6 divisors (see below), whose sum is σ = 78067309544. Its totient is φ = 22304945580.

The previous prime is 44609891159. The next prime is 44609891173. The reversal of 44609891164 is 46119890644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5576236392 + ... + 5576236399.

Almost surely, 2^44609891164 is an apocalyptic number.

It is an amenable number.

44609891164 is a deficient number, since it is larger than the sum of its proper divisors (33457418380).

44609891164 is a wasteful number, since it uses less digits than its factorization.

44609891164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11152472795 (or 11152472793 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 44609891164 in words is "forty-four billion, six hundred nine million, eight hundred ninety-one thousand, one hundred sixty-four".