44113220013 has 4 divisors (see below), whose sum is σ = 58817626688. Its totient is φ = 29408813340.

The previous prime is 44113219987. The next prime is 44113220027. The reversal of 44113220013 is 31002231144.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44113220013 - 2⁶ = 44113219949 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 (44113220033) 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 3 ways as a sum of consecutive naturals, for example, 7352203333 + ... + 7352203338.

It is an arithmetic number, because the mean of its divisors is an integer number (14704406672).

Almost surely, 2^44113220013 is an apocalyptic number.

It is an amenable number.

44113220013 is a deficient number, since it is larger than the sum of its proper divisors (14704406675).

44113220013 is a wasteful number, since it uses less digits than its factorization.

44113220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14704406674.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 44113220013 its reverse (31002231144), we get a palindrome (75115451157).

The spelling of 44113220013 in words is "forty-four billion, one hundred thirteen million, two hundred twenty thousand, thirteen".