25882431893 has 2 divisors, whose sum is σ = 25882431894. Its totient is φ = 25882431892.

The previous prime is 25882431889. The next prime is 25882431901. The reversal of 25882431893 is 39813428852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20095330564 + 5787101329 = 141758^2 + 76073^2 .

It is a cyclic number.

It is not a de Polignac number, because 25882431893 - 2² = 25882431889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25882431293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12941215946 + 12941215947.

It is an arithmetic number, because the mean of its divisors is an integer number (12941215947).

Almost surely, 2^25882431893 is an apocalyptic number.

It is an amenable number.

25882431893 is a deficient number, since it is larger than the sum of its proper divisors (1).

25882431893 is an equidigital number, since it uses as much as digits as its factorization.

25882431893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3317760, while the sum is 53.

The spelling of 25882431893 in words is "twenty-five billion, eight hundred eighty-two million, four hundred thirty-one thousand, eight hundred ninety-three".