259408899671 has 2 divisors, whose sum is σ = 259408899672. Its totient is φ = 259408899670.

The previous prime is 259408899623. The next prime is 259408899689. The reversal of 259408899671 is 176998804952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 259408899671 - 2¹⁴ = 259408883287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259408899371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129704449835 + 129704449836.

It is an arithmetic number, because the mean of its divisors is an integer number (129704449836).

Almost surely, 2^259408899671 is an apocalyptic number.

259408899671 is a deficient number, since it is larger than the sum of its proper divisors (1).

259408899671 is an equidigital number, since it uses as much as digits as its factorization.

259408899671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78382080, while the sum is 68.

The spelling of 259408899671 in words is "two hundred fifty-nine billion, four hundred eight million, eight hundred ninety-nine thousand, six hundred seventy-one".