44513255421013 has 4 divisors (see below), whose sum is σ = 44517645731520. Its totient is φ = 44508865110508.

The previous prime is 44513255421001. The next prime is 44513255421053. The reversal of 44513255421013 is 31012455231544.

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 not a de Polignac number, because 44513255421013 - 2²⁹ = 44512718550101 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 (44513255421053) 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, 2195140045 + ... + 2195160322.

It is an arithmetic number, because the mean of its divisors is an integer number (11129411432880).

Almost surely, 2^{44513255421013} is an apocalyptic number.

It is an amenable number.

44513255421013 is a deficient number, since it is larger than the sum of its proper divisors (4390310507).

44513255421013 is a wasteful number, since it uses less digits than its factorization.

44513255421013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390310506.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 44513255421013 in words is "forty-four trillion, five hundred thirteen billion, two hundred fifty-five million, four hundred twenty-one thousand, thirteen".