44699871839 has 16 divisors (see below), whose sum is σ = 53440948800. Its totient is φ = 36577330944.

The previous prime is 44699871833. The next prime is 44699871871. The reversal of 44699871839 is 93817899644.

It is not a de Polignac number, because 44699871839 - 2³² = 40404904543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44699871833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1218992 + ... + 1255125.

It is an arithmetic number, because the mean of its divisors is an integer number (3340059300).

Almost surely, 2^44699871839 is an apocalyptic number.

44699871839 is a deficient number, since it is larger than the sum of its proper divisors (8741076961).

44699871839 is a wasteful number, since it uses less digits than its factorization.

44699871839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474242.

The product of its digits is 94058496, while the sum is 68.

The spelling of 44699871839 in words is "forty-four billion, six hundred ninety-nine million, eight hundred seventy-one thousand, eight hundred thirty-nine".