259902716321 has 16 divisors (see below), whose sum is σ = 271052587008. Its totient is φ = 248927736000.

The previous prime is 259902716317. The next prime is 259902716351. The reversal of 259902716321 is 123617209952.

It is a cyclic number.

It is not a de Polignac number, because 259902716321 - 2² = 259902716317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259902716351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8397551 + ... + 8428443.

It is an arithmetic number, because the mean of its divisors is an integer number (16940786688).

Almost surely, 2^259902716321 is an apocalyptic number.

It is an amenable number.

259902716321 is a deficient number, since it is larger than the sum of its proper divisors (11149870687).

259902716321 is a wasteful number, since it uses less digits than its factorization.

259902716321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33712.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 259902716321 in words is "two hundred fifty-nine billion, nine hundred two million, seven hundred sixteen thousand, three hundred twenty-one".