244105984855913 has 2 divisors, whose sum is σ = 244105984855914. Its totient is φ = 244105984855912.

The previous prime is 244105984855819. The next prime is 244105984855951. The reversal of 244105984855913 is 319558489501442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155752696328464 + 88353288527449 = 12480092^2 + 9399643^2 .

It is a cyclic number.

It is not a de Polignac number, because 244105984855913 - 2²⁰ = 244105983807337 is a prime.

It is not a weakly prime, because it can be changed into another prime (244105984855963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122052992427956 + 122052992427957.

It is an arithmetic number, because the mean of its divisors is an integer number (122052992427957).

Almost surely, 2^{244105984855913} is an apocalyptic number.

It is an amenable number.

244105984855913 is a deficient number, since it is larger than the sum of its proper divisors (1).

244105984855913 is an equidigital number, since it uses as much as digits as its factorization.

244105984855913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832000, while the sum is 68.

The spelling of 244105984855913 in words is "two hundred forty-four trillion, one hundred five billion, nine hundred eighty-four million, eight hundred fifty-five thousand, nine hundred thirteen".