259907615489 has 2 divisors, whose sum is σ = 259907615490. Its totient is φ = 259907615488.

The previous prime is 259907615479. The next prime is 259907615521. The reversal of 259907615489 is 984516709952.

259907615489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259802245264 + 105370225 = 509708^2 + 10265^2 .

It is a cyclic number.

It is not a de Polignac number, because 259907615489 - 2²⁸ = 259639180033 is a prime.

It is not a weakly prime, because it can be changed into another prime (259907615449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129953807744 + 129953807745.

It is an arithmetic number, because the mean of its divisors is an integer number (129953807745).

Almost surely, 2^259907615489 is an apocalyptic number.

It is an amenable number.

259907615489 is a deficient number, since it is larger than the sum of its proper divisors (1).

259907615489 is an equidigital number, since it uses as much as digits as its factorization.

259907615489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48988800, while the sum is 65.

The spelling of 259907615489 in words is "two hundred fifty-nine billion, nine hundred seven million, six hundred fifteen thousand, four hundred eighty-nine".