44413013 has 4 divisors (see below), whose sum is σ = 46750560. Its totient is φ = 42075468.

The previous prime is 44413003. The next prime is 44413067. The reversal of 44413013 is 31031444.

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 44413013 - 2¹⁶ = 44347477 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 (44413003) 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, 1168745 + ... + 1168782.

It is an arithmetic number, because the mean of its divisors is an integer number (11687640).

Almost surely, 2^44413013 is an apocalyptic number.

It is an amenable number.

44413013 is a deficient number, since it is larger than the sum of its proper divisors (2337547).

44413013 is a wasteful number, since it uses less digits than its factorization.

44413013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337546.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 44413013 is about 6664.3088914005. The cubic root of 44413013 is about 354.1360011342.

Adding to 44413013 its reverse (31031444), we get a palindrome (75444457).

The spelling of 44413013 in words is "forty-four million, four hundred thirteen thousand, thirteen".