258742570091 has 2 divisors, whose sum is σ = 258742570092. Its totient is φ = 258742570090.

The previous prime is 258742570039. The next prime is 258742570193. The reversal of 258742570091 is 190075247852.

258742570091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258742570091 - 2³⁰ = 257668828267 is a prime.

It is not a weakly prime, because it can be changed into another prime (258742570291) 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 as a sum of consecutive naturals, namely, 129371285045 + 129371285046.

It is an arithmetic number, because the mean of its divisors is an integer number (129371285046).

Almost surely, 2^258742570091 is an apocalyptic number.

258742570091 is a deficient number, since it is larger than the sum of its proper divisors (1).

258742570091 is an equidigital number, since it uses as much as digits as its factorization.

258742570091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 258742570091 in words is "two hundred fifty-eight billion, seven hundred forty-two million, five hundred seventy thousand, ninety-one".