44893465613 has 16 divisors (see below), whose sum is σ = 46792920240. Its totient is φ = 43044079104.

The previous prime is 44893465583. The next prime is 44893465681. The reversal of 44893465613 is 31656439844.

It can be written as a sum of positive squares in 8 ways, for example, as 7351690564 + 37541775049 = 85742^2 + 193757^2 .

It is a cyclic number.

It is not a de Polignac number, because 44893465613 - 2¹⁰ = 44893464589 is a prime.

It is a super-2 number, since 2×44893465613² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44893467613) 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, 368495 + ... + 474947.

It is an arithmetic number, because the mean of its divisors is an integer number (2924557515).

Almost surely, 2^44893465613 is an apocalyptic number.

It is an amenable number.

44893465613 is a deficient number, since it is larger than the sum of its proper divisors (1899454627).

44893465613 is a wasteful number, since it uses less digits than its factorization.

44893465613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106688.

The product of its digits is 7464960, while the sum is 53.

The spelling of 44893465613 in words is "forty-four billion, eight hundred ninety-three million, four hundred sixty-five thousand, six hundred thirteen".