25426002571423 has 2 divisors, whose sum is σ = 25426002571424. Its totient is φ = 25426002571422.

The previous prime is 25426002571399. The next prime is 25426002571441. The reversal of 25426002571423 is 32417520062452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25426002571423 - 2¹³ = 25426002563231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25426002571423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25426002572423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12713001285711 + 12713001285712.

It is an arithmetic number, because the mean of its divisors is an integer number (12713001285712).

Almost surely, 2^{25426002571423} is an apocalyptic number.

25426002571423 is a deficient number, since it is larger than the sum of its proper divisors (1).

25426002571423 is an equidigital number, since it uses as much as digits as its factorization.

25426002571423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 25426002571423 in words is "twenty-five trillion, four hundred twenty-six billion, two million, five hundred seventy-one thousand, four hundred twenty-three".