5044138891913 has 4 divisors (see below), whose sum is σ = 5502696973008. Its totient is φ = 4585580810820.

The previous prime is 5044138891879. The next prime is 5044138891921. The reversal of 5044138891913 is 3191988314405.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5044138891913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5044138891963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229279040531 + ... + 229279040552.

It is an arithmetic number, because the mean of its divisors is an integer number (1375674243252).

Almost surely, 2^{5044138891913} is an apocalyptic number.

It is an amenable number.

5044138891913 is a deficient number, since it is larger than the sum of its proper divisors (458558081095).

5044138891913 is a wasteful number, since it uses less digits than its factorization.

5044138891913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458558081094.

The product of its (nonzero) digits is 3732480, while the sum is 56.

The spelling of 5044138891913 in words is "five trillion, forty-four billion, one hundred thirty-eight million, eight hundred ninety-one thousand, nine hundred thirteen".