44642369 has 2 divisors, whose sum is σ = 44642370. Its totient is φ = 44642368.

The previous prime is 44642341. The next prime is 44642393. The reversal of 44642369 is 96324644.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34656769 + 9985600 = 5887^2 + 3160^2 .

It is a cyclic number.

It is not a de Polignac number, because 44642369 - 2⁸ = 44642113 is a prime.

It is a super-2 number, since 2×44642369² = 3985882219864322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44642329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22321184 + 22321185.

It is an arithmetic number, because the mean of its divisors is an integer number (22321185).

Almost surely, 2^44642369 is an apocalyptic number.

It is an amenable number.

44642369 is a deficient number, since it is larger than the sum of its proper divisors (1).

44642369 is an equidigital number, since it uses as much as digits as its factorization.

44642369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 38.

The square root of 44642369 is about 6681.4945184442. The cubic root of 44642369 is about 354.7445600102.

The spelling of 44642369 in words is "forty-four million, six hundred forty-two thousand, three hundred sixty-nine".