244356689 has 2 divisors, whose sum is σ = 244356690. Its totient is φ = 244356688.

The previous prime is 244356631. The next prime is 244356703. The reversal of 244356689 is 986653442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162996289 + 81360400 = 12767^2 + 9020^2 .

It is a cyclic number.

It is not a de Polignac number, because 244356689 - 2²⁰ = 243308113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (244356389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122178344 + 122178345.

It is an arithmetic number, because the mean of its divisors is an integer number (122178345).

Almost surely, 2^244356689 is an apocalyptic number.

It is an amenable number.

244356689 is a deficient number, since it is larger than the sum of its proper divisors (1).

244356689 is an equidigital number, since it uses as much as digits as its factorization.

244356689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 47.

The square root of 244356689 is about 15631.9125189466. The cubic root of 244356689 is about 625.1843202497.

The spelling of 244356689 in words is "two hundred forty-four million, three hundred fifty-six thousand, six hundred eighty-nine".