244399979 has 2 divisors, whose sum is σ = 244399980. Its totient is φ = 244399978.

The previous prime is 244399957. The next prime is 244399997. The reversal of 244399979 is 979993442.

Together with next prime (244399997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 244399979 - 2⁸ = 244399723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (244399919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122199989 + 122199990.

It is an arithmetic number, because the mean of its divisors is an integer number (122199990).

Almost surely, 2^244399979 is an apocalyptic number.

244399979 is a deficient number, since it is larger than the sum of its proper divisors (1).

244399979 is an equidigital number, since it uses as much as digits as its factorization.

244399979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4408992, while the sum is 56.

The square root of 244399979 is about 15633.2971250469. The cubic root of 244399979 is about 625.2212370907.

The spelling of 244399979 in words is "two hundred forty-four million, three hundred ninety-nine thousand, nine hundred seventy-nine".