44639069 has 2 divisors, whose sum is σ = 44639070. Its totient is φ = 44639068.

The previous prime is 44639053. The next prime is 44639081. The reversal of 44639069 is 96093644.

44639069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41434969 + 3204100 = 6437^2 + 1790^2 .

It is a cyclic number.

It is not a de Polignac number, because 44639069 - 2⁴ = 44639053 is a prime.

It is a super-2 number, since 2×44639069² = 3985292962373522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44639099) 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 as a sum of consecutive naturals, namely, 22319534 + 22319535.

It is an arithmetic number, because the mean of its divisors is an integer number (22319535).

Almost surely, 2^44639069 is an apocalyptic number.

It is an amenable number.

44639069 is a deficient number, since it is larger than the sum of its proper divisors (1).

44639069 is an equidigital number, since it uses as much as digits as its factorization.

44639069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 44639069 is about 6681.2475631427. The cubic root of 44639069 is about 354.7358187933.

The spelling of 44639069 in words is "forty-four million, six hundred thirty-nine thousand, sixty-nine".