259688669791 has 2 divisors, whose sum is σ = 259688669792. Its totient is φ = 259688669790.

The previous prime is 259688669759. The next prime is 259688669837. The reversal of 259688669791 is 197966886952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259688669791 - 2⁵ = 259688669759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259688669711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129844334895 + 129844334896.

It is an arithmetic number, because the mean of its divisors is an integer number (129844334896).

Almost surely, 2^259688669791 is an apocalyptic number.

259688669791 is a deficient number, since it is larger than the sum of its proper divisors (1).

259688669791 is an equidigital number, since it uses as much as digits as its factorization.

259688669791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705438720, while the sum is 76.

The spelling of 259688669791 in words is "two hundred fifty-nine billion, six hundred eighty-eight million, six hundred sixty-nine thousand, seven hundred ninety-one".