244415669 has 2 divisors, whose sum is σ = 244415670. Its totient is φ = 244415668.

The previous prime is 244415629. The next prime is 244415671. The reversal of 244415669 is 966514442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147136900 + 97278769 = 12130^2 + 9863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244415669 is a prime.

It is a super-2 number, since 2×244415669² = 119478038505435122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 244415671, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244415629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122207834 + 122207835.

It is an arithmetic number, because the mean of its divisors is an integer number (122207835).

Almost surely, 2^244415669 is an apocalyptic number.

It is an amenable number.

244415669 is a deficient number, since it is larger than the sum of its proper divisors (1).

244415669 is an equidigital number, since it uses as much as digits as its factorization.

244415669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 244415669 is about 15633.7989305223. The cubic root of 244415669 is about 625.2346161307.

The spelling of 244415669 in words is "two hundred forty-four million, four hundred fifteen thousand, six hundred sixty-nine".