25826940941 has 2 divisors, whose sum is σ = 25826940942. Its totient is φ = 25826940940.

The previous prime is 25826940911. The next prime is 25826940943. The reversal of 25826940941 is 14904962852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19052004841 + 6774936100 = 138029^2 + 82310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25826940941 is a prime.

Together with 25826940943, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25826940941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25826940943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12913470470 + 12913470471.

It is an arithmetic number, because the mean of its divisors is an integer number (12913470471).

Almost surely, 2^25826940941 is an apocalyptic number.

It is an amenable number.

25826940941 is a deficient number, since it is larger than the sum of its proper divisors (1).

25826940941 is an equidigital number, since it uses as much as digits as its factorization.

25826940941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 25826940941 in words is "twenty-five billion, eight hundred twenty-six million, nine hundred forty thousand, nine hundred forty-one".