258466492811 has 2 divisors, whose sum is σ = 258466492812. Its totient is φ = 258466492810.

The previous prime is 258466492783. The next prime is 258466492829. The reversal of 258466492811 is 118294664852.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258466492811 is a prime.

It is not a weakly prime, because it can be changed into another prime (258466492411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129233246405 + 129233246406.

It is an arithmetic number, because the mean of its divisors is an integer number (129233246406).

Almost surely, 2^258466492811 is an apocalyptic number.

258466492811 is a deficient number, since it is larger than the sum of its proper divisors (1).

258466492811 is an equidigital number, since it uses as much as digits as its factorization.

258466492811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6635520, while the sum is 56.

The spelling of 258466492811 in words is "two hundred fifty-eight billion, four hundred sixty-six million, four hundred ninety-two thousand, eight hundred eleven".