244139944507 has 2 divisors, whose sum is σ = 244139944508. Its totient is φ = 244139944506.

The previous prime is 244139944487. The next prime is 244139944571. The reversal of 244139944507 is 705449931442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 244139944507 - 2¹⁵ = 244139911739 is a prime.

It is not a weakly prime, because it can be changed into another prime (244139944007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122069972253 + 122069972254.

It is an arithmetic number, because the mean of its divisors is an integer number (122069972254).

Almost surely, 2^244139944507 is an apocalyptic number.

244139944507 is a deficient number, since it is larger than the sum of its proper divisors (1).

244139944507 is an equidigital number, since it uses as much as digits as its factorization.

244139944507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 244139944507 in words is "two hundred forty-four billion, one hundred thirty-nine million, nine hundred forty-four thousand, five hundred seven".