44813913 has 16 divisors (see below), whose sum is σ = 65633280. Its totient is φ = 27072144.

The previous prime is 44813911. The next prime is 44813917. The reversal of 44813913 is 31931844.

It is not a de Polignac number, because 44813913 - 2¹ = 44813911 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44813911) 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, 15781 + ... + 18402.

It is an arithmetic number, because the mean of its divisors is an integer number (4102080).

Almost surely, 2^44813913 is an apocalyptic number.

It is an amenable number.

44813913 is a deficient number, since it is larger than the sum of its proper divisors (20819367).

44813913 is a wasteful number, since it uses less digits than its factorization.

44813913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34228.

The product of its digits is 10368, while the sum is 33.

The square root of 44813913 is about 6694.3194575700. The cubic root of 44813913 is about 355.1983629881.

The spelling of 44813913 in words is "forty-four million, eight hundred thirteen thousand, nine hundred thirteen".