244498139 has 2 divisors, whose sum is σ = 244498140. Its totient is φ = 244498138.

The previous prime is 244498087. The next prime is 244498151. The reversal of 244498139 is 931894442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 244498139 - 2¹² = 244494043 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244498139.

It is not a weakly prime, because it can be changed into another prime (244498339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122249069 + 122249070.

It is an arithmetic number, because the mean of its divisors is an integer number (122249070).

Almost surely, 2^244498139 is an apocalyptic number.

244498139 is a deficient number, since it is larger than the sum of its proper divisors (1).

244498139 is an equidigital number, since it uses as much as digits as its factorization.

244498139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 244498139 is about 15636.4362627806. The cubic root of 244498139 is about 625.3049298176.

The spelling of 244498139 in words is "two hundred forty-four million, four hundred ninety-eight thousand, one hundred thirty-nine".