44569979 has 4 divisors (see below), whose sum is σ = 45410976. Its totient is φ = 43728984.

The previous prime is 44569969. The next prime is 44569981. The reversal of 44569979 is 97996544.

44569979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44569979 - 2²⁰ = 43521403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 840943 = 44569979 / (4 + 4 + 5 + 6 + 9 + 9 + 7 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44569979.

It is not an unprimeable number, because it can be changed into a prime (44569919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420419 + ... + 420524.

It is an arithmetic number, because the mean of its divisors is an integer number (11352744).

Almost surely, 2^44569979 is an apocalyptic number.

44569979 is a deficient number, since it is larger than the sum of its proper divisors (840997).

44569979 is an equidigital number, since it uses as much as digits as its factorization.

44569979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840996.

The product of its digits is 2449440, while the sum is 53.

The square root of 44569979 is about 6676.0751194096. The cubic root of 44569979 is about 354.5527104865.

The spelling of 44569979 in words is "forty-four million, five hundred sixty-nine thousand, nine hundred seventy-nine".