44125563213 has 16 divisors (see below), whose sum is σ = 65375909760. Its totient is φ = 29414924928.

The previous prime is 44125563199. The next prime is 44125563323. The reversal of 44125563213 is 31236552144.

44125563213 is a `hidden beast` number, since 4 + 4 + 1 + 2 + 5 + 5 + 632 + 13 = 666.

It is not a de Polignac number, because 44125563213 - 2⁶ = 44125563149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44125563113) 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, 383856 + ... + 485382.

It is an arithmetic number, because the mean of its divisors is an integer number (4085994360).

Almost surely, 2^44125563213 is an apocalyptic number.

It is an amenable number.

44125563213 is a deficient number, since it is larger than the sum of its proper divisors (21250346547).

44125563213 is a wasteful number, since it uses less digits than its factorization.

44125563213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117633 (or 117627 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The spelling of 44125563213 in words is "forty-four billion, one hundred twenty-five million, five hundred sixty-three thousand, two hundred thirteen".