44665013 has 4 divisors (see below), whose sum is σ = 44684160. Its totient is φ = 44645868.

The previous prime is 44665007. The next prime is 44665051. The reversal of 44665013 is 31056644.

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 not a de Polignac number, because 44665013 - 2¹⁴ = 44648629 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 (44665073) 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, 5495 + ... + 10932.

It is an arithmetic number, because the mean of its divisors is an integer number (11171040).

Almost surely, 2^44665013 is an apocalyptic number.

It is an amenable number.

44665013 is a deficient number, since it is larger than the sum of its proper divisors (19147).

44665013 is a wasteful number, since it uses less digits than its factorization.

44665013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19146.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 44665013 is about 6683.1888346806. The cubic root of 44665013 is about 354.8045290352.

The spelling of 44665013 in words is "forty-four million, six hundred sixty-five thousand, thirteen".