258840493239 has 16 divisors (see below), whose sum is σ = 373196809728. Its totient is φ = 158954193792.

The previous prime is 258840493231. The next prime is 258840493267. The reversal of 258840493239 is 932394048852.

258840493239 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 258840493239 - 2³ = 258840493231 is a prime.

It is a super-2 number, since 2×258840493239² (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 (258840493231) 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 15 ways as a sum of consecutive naturals, for example, 53990197 + ... + 53994990.

It is an arithmetic number, because the mean of its divisors is an integer number (23324800608).

Almost surely, 2^258840493239 is an apocalyptic number.

258840493239 is a deficient number, since it is larger than the sum of its proper divisors (114356316489).

258840493239 is a wasteful number, since it uses less digits than its factorization.

258840493239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107985254.

The product of its (nonzero) digits is 14929920, while the sum is 57.

The spelling of 258840493239 in words is "two hundred fifty-eight billion, eight hundred forty million, four hundred ninety-three thousand, two hundred thirty-nine".