44969235139 has 16 divisors (see below), whose sum is σ = 46623651840. Its totient is φ = 43345244320.

The previous prime is 44969235137. The next prime is 44969235161. The reversal of 44969235139 is 93153296944.

It is a cyclic number.

It is not a de Polignac number, because 44969235139 - 2¹ = 44969235137 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 44969235139.

It is not an unprimeable number, because it can be changed into a prime (44969235137) 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, 3273417 + ... + 3287125.

It is an arithmetic number, because the mean of its divisors is an integer number (2913978240).

Almost surely, 2^44969235139 is an apocalyptic number.

44969235139 is a deficient number, since it is larger than the sum of its proper divisors (1654416701).

44969235139 is a wasteful number, since it uses less digits than its factorization.

44969235139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14810.

The product of its digits is 6298560, while the sum is 55.

The spelling of 44969235139 in words is "forty-four billion, nine hundred sixty-nine million, two hundred thirty-five thousand, one hundred thirty-nine".