25718344251883 has 2 divisors, whose sum is σ = 25718344251884. Its totient is φ = 25718344251882.

The previous prime is 25718344251881. The next prime is 25718344251953. The reversal of 25718344251883 is 38815244381752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25718344251883 - 2¹ = 25718344251881 is a prime.

It is a super-2 number, since 2×25718344251883² (a number of 28 digits) contains 22 as substring.

Together with 25718344251881, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25718344251881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12859172125941 + 12859172125942.

It is an arithmetic number, because the mean of its divisors is an integer number (12859172125942).

Almost surely, 2^{25718344251883} is an apocalyptic number.

25718344251883 is a deficient number, since it is larger than the sum of its proper divisors (1).

25718344251883 is an equidigital number, since it uses as much as digits as its factorization.

25718344251883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51609600, while the sum is 61.

The spelling of 25718344251883 in words is "twenty-five trillion, seven hundred eighteen billion, three hundred forty-four million, two hundred fifty-one thousand, eight hundred eighty-three".