44455135613 has 16 divisors (see below), whose sum is σ = 51005270784. Its totient is φ = 37955070720.

The previous prime is 44455135607. The next prime is 44455135663. The reversal of 44455135613 is 31653155444.

It is not a de Polignac number, because 44455135613 - 2⁴ = 44455135597 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 (44455135663) 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, 2626568 + ... + 2643438.

It is an arithmetic number, because the mean of its divisors is an integer number (3187829424).

Almost surely, 2^44455135613 is an apocalyptic number.

It is an amenable number.

44455135613 is a deficient number, since it is larger than the sum of its proper divisors (6550135171).

44455135613 is a wasteful number, since it uses less digits than its factorization.

44455135613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18332.

The product of its digits is 432000, while the sum is 41.

The spelling of 44455135613 in words is "forty-four billion, four hundred fifty-five million, one hundred thirty-five thousand, six hundred thirteen".