258136553489 has 2 divisors, whose sum is σ = 258136553490. Its totient is φ = 258136553488.

The previous prime is 258136553447. The next prime is 258136553491. The reversal of 258136553489 is 984355631852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250417173889 + 7719379600 = 500417^2 + 87860^2 .

It is a cyclic number.

It is not a de Polignac number, because 258136553489 - 2²⁴ = 258119776273 is a prime.

Together with 258136553491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (258136553989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129068276744 + 129068276745.

It is an arithmetic number, because the mean of its divisors is an integer number (129068276745).

Almost surely, 2^258136553489 is an apocalyptic number.

It is an amenable number.

258136553489 is a deficient number, since it is larger than the sum of its proper divisors (1).

258136553489 is an equidigital number, since it uses as much as digits as its factorization.

258136553489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104000, while the sum is 59.

The spelling of 258136553489 in words is "two hundred fifty-eight billion, one hundred thirty-six million, five hundred fifty-three thousand, four hundred eighty-nine".