258671847691 has 2 divisors, whose sum is σ = 258671847692. Its totient is φ = 258671847690.

The previous prime is 258671847641. The next prime is 258671847739. The reversal of 258671847691 is 196748176852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258671847691 - 2⁷ = 258671847563 is a prime.

It is a super-2 number, since 2×258671847691² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (258671847601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129335923845 + 129335923846.

It is an arithmetic number, because the mean of its divisors is an integer number (129335923846).

Almost surely, 2^258671847691 is an apocalyptic number.

258671847691 is a deficient number, since it is larger than the sum of its proper divisors (1).

258671847691 is an equidigital number, since it uses as much as digits as its factorization.

258671847691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40642560, while the sum is 64.

The spelling of 258671847691 in words is "two hundred fifty-eight billion, six hundred seventy-one million, eight hundred forty-seven thousand, six hundred ninety-one".