25426366313 has 2 divisors, whose sum is σ = 25426366314. Its totient is φ = 25426366312.

The previous prime is 25426366267. The next prime is 25426366331. The reversal of 25426366313 is 31366362452.

Together with next prime (25426366331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25137468304 + 288898009 = 158548^2 + 16997^2 .

It is a cyclic number.

It is not a de Polignac number, because 25426366313 - 2¹⁶ = 25426300777 is a prime.

It is a super-2 number, since 2×25426366313² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25426366373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12713183156 + 12713183157.

It is an arithmetic number, because the mean of its divisors is an integer number (12713183157).

Almost surely, 2^25426366313 is an apocalyptic number.

It is an amenable number.

25426366313 is a deficient number, since it is larger than the sum of its proper divisors (1).

25426366313 is an equidigital number, since it uses as much as digits as its factorization.

25426366313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 41.

The spelling of 25426366313 in words is "twenty-five billion, four hundred twenty-six million, three hundred sixty-six thousand, three hundred thirteen".