244115661239 has 2 divisors, whose sum is σ = 244115661240. Its totient is φ = 244115661238.

The previous prime is 244115661227. The next prime is 244115661253. The reversal of 244115661239 is 932166511442.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 244115661239 - 2¹² = 244115657143 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244115661239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244115661299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122057830619 + 122057830620.

It is an arithmetic number, because the mean of its divisors is an integer number (122057830620).

Almost surely, 2^244115661239 is an apocalyptic number.

244115661239 is a deficient number, since it is larger than the sum of its proper divisors (1).

244115661239 is an equidigital number, since it uses as much as digits as its factorization.

244115661239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The spelling of 244115661239 in words is "two hundred forty-four billion, one hundred fifteen million, six hundred sixty-one thousand, two hundred thirty-nine".