259943859998631 has 6 divisors (see below), whose sum is σ = 375474464442480. Its totient is φ = 173295906665748.

The previous prime is 259943859998579. The next prime is 259943859998639. The reversal of 259943859998631 is 136899958349952.

259943859998631 is a `hidden beast` number, since 2 + 5 + 9 + 9 + 4 + 3 + 8 + 599 + 9 + 8 + 6 + 3 + 1 = 666.

It is not a de Polignac number, because 259943859998631 - 2⁷ = 259943859998503 is a prime.

It is a super-2 number, since 2×259943859998631² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259943859998639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14441325555471 + ... + 14441325555488.

It is an arithmetic number, because the mean of its divisors is an integer number (62579077407080).

Almost surely, 2^{259943859998631} is an apocalyptic number.

259943859998631 is a deficient number, since it is larger than the sum of its proper divisors (115530604443849).

259943859998631 is a wasteful number, since it uses less digits than its factorization.

259943859998631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28882651110965 (or 28882651110962 counting only the distinct ones).

The product of its digits is 40814668800, while the sum is 90.

The spelling of 259943859998631 in words is "two hundred fifty-nine trillion, nine hundred forty-three billion, eight hundred fifty-nine million, nine hundred ninety-eight thousand, six hundred thirty-one".