258226425269 has 2 divisors, whose sum is σ = 258226425270. Its totient is φ = 258226425268.

The previous prime is 258226425251. The next prime is 258226425407. The reversal of 258226425269 is 962524622852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243473164900 + 14753260369 = 493430^2 + 121463^2 .

It is a cyclic number.

It is not a de Polignac number, because 258226425269 - 2⁸ = 258226425013 is a prime.

It is a super-2 number, since 2×258226425269² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 258226425269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258226425469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129113212634 + 129113212635.

It is an arithmetic number, because the mean of its divisors is an integer number (129113212635).

Almost surely, 2^258226425269 is an apocalyptic number.

It is an amenable number.

258226425269 is a deficient number, since it is larger than the sum of its proper divisors (1).

258226425269 is an equidigital number, since it uses as much as digits as its factorization.

258226425269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8294400, while the sum is 53.

The spelling of 258226425269 in words is "two hundred fifty-eight billion, two hundred twenty-six million, four hundred twenty-five thousand, two hundred sixty-nine".