25457844359 has 2 divisors, whose sum is σ = 25457844360. Its totient is φ = 25457844358.

The previous prime is 25457844341. The next prime is 25457844383. The reversal of 25457844359 is 95344875452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25457844359 - 2⁸ = 25457844103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25457744359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12728922179 + 12728922180.

It is an arithmetic number, because the mean of its divisors is an integer number (12728922180).

Almost surely, 2^25457844359 is an apocalyptic number.

25457844359 is a deficient number, since it is larger than the sum of its proper divisors (1).

25457844359 is an equidigital number, since it uses as much as digits as its factorization.

25457844359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192000, while the sum is 56.

The spelling of 25457844359 in words is "twenty-five billion, four hundred fifty-seven million, eight hundred forty-four thousand, three hundred fifty-nine".