44490569 has 2 divisors, whose sum is σ = 44490570. Its totient is φ = 44490568.

The previous prime is 44490527. The next prime is 44490587. The reversal of 44490569 is 96509444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31494544 + 12996025 = 5612^2 + 3605^2 .

It is a cyclic number.

It is not a de Polignac number, because 44490569 - 2¹² = 44486473 is a prime.

It is a super-2 number, since 2×44490569² = 3958821459887522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44490269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22245284 + 22245285.

It is an arithmetic number, because the mean of its divisors is an integer number (22245285).

Almost surely, 2^44490569 is an apocalyptic number.

It is an amenable number.

44490569 is a deficient number, since it is larger than the sum of its proper divisors (1).

44490569 is an equidigital number, since it uses as much as digits as its factorization.

44490569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 44490569 is about 6670.1251112704. The cubic root of 44490569 is about 354.3420173312.

The spelling of 44490569 in words is "forty-four million, four hundred ninety thousand, five hundred sixty-nine".