44009657 has 2 divisors, whose sum is σ = 44009658. Its totient is φ = 44009656.

The previous prime is 44009653. The next prime is 44009659. The reversal of 44009657 is 75690044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35271721 + 8737936 = 5939^2 + 2956^2 .

It is a cyclic number.

It is not a de Polignac number, because 44009657 - 2² = 44009653 is a prime.

Together with 44009659, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44009653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22004828 + 22004829.

It is an arithmetic number, because the mean of its divisors is an integer number (22004829).

Almost surely, 2^44009657 is an apocalyptic number.

It is an amenable number.

44009657 is a deficient number, since it is larger than the sum of its proper divisors (1).

44009657 is an equidigital number, since it uses as much as digits as its factorization.

44009657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 44009657 is about 6633.9774645381. The cubic root of 44009657 is about 353.0606593508.

The spelling of 44009657 in words is "forty-four million, nine thousand, six hundred fifty-seven".