259645988700863 has 4 divisors (see below), whose sum is σ = 273311567053560. Its totient is φ = 245980410348168.

The previous prime is 259645988700853. The next prime is 259645988700953. The reversal of 259645988700863 is 368007889546952.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 259645988700863 - 2¹⁴ = 259645988684479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259645988700853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6832789176320 + ... + 6832789176357.

It is an arithmetic number, because the mean of its divisors is an integer number (68327891763390).

Almost surely, 2^{259645988700863} is an apocalyptic number.

259645988700863 is a deficient number, since it is larger than the sum of its proper divisors (13665578352697).

259645988700863 is a wasteful number, since it uses less digits than its factorization.

259645988700863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13665578352696.

The product of its (nonzero) digits is 6270566400, while the sum is 80.

The spelling of 259645988700863 in words is "two hundred fifty-nine trillion, six hundred forty-five billion, nine hundred eighty-eight million, seven hundred thousand, eight hundred sixty-three".