259130938581 has 72 divisors (see below), whose sum is σ = 396874098816. Its totient is φ = 162610588800.

The previous prime is 259130938541. The next prime is 259130938609. The reversal of 259130938581 is 185839031952.

259130938581 is a `hidden beast` number, since 2 + 59 + 1 + 3 + 0 + 9 + 3 + 8 + 581 = 666.

259130938581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 259130938581 - 2⁷ = 259130938453 is a prime.

It is a super-2 number, since 2×259130938581² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259130938541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 935490615 + ... + 935490891.

Almost surely, 2^259130938581 is an apocalyptic number.

It is an amenable number.

259130938581 is a deficient number, since it is larger than the sum of its proper divisors (137743160235).

259130938581 is a wasteful number, since it uses less digits than its factorization.

259130938581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 259130938581 in words is "two hundred fifty-nine billion, one hundred thirty million, nine hundred thirty-eight thousand, five hundred eighty-one".