44501313613 has 8 divisors (see below), whose sum is σ = 46056681720. Its totient is φ = 42968325120.

The previous prime is 44501313601. The next prime is 44501313641. The reversal of 44501313613 is 31631310544.

It can be written as a sum of positive squares in 4 ways, for example, as 191905609 + 44309408004 = 13853^2 + 210498^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44501313613 - 2²⁹ = 43964442701 is a prime.

It is a super-2 number, since 2×44501313613² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44501313643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5590858 + ... + 5598811.

It is an arithmetic number, because the mean of its divisors is an integer number (5757085215).

Almost surely, 2^44501313613 is an apocalyptic number.

It is an amenable number.

44501313613 is a deficient number, since it is larger than the sum of its proper divisors (1555368107).

44501313613 is a wasteful number, since it uses less digits than its factorization.

44501313613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11189807.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 44501313613 in words is "forty-four billion, five hundred one million, three hundred thirteen thousand, six hundred thirteen".