25461941699 has 2 divisors, whose sum is σ = 25461941700. Its totient is φ = 25461941698.

The previous prime is 25461941683. The next prime is 25461941773. The reversal of 25461941699 is 99614916452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25461941699 - 2⁴ = 25461941683 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (25461941639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12730970849 + 12730970850.

It is an arithmetic number, because the mean of its divisors is an integer number (12730970850).

Almost surely, 2^25461941699 is an apocalyptic number.

25461941699 is a deficient number, since it is larger than the sum of its proper divisors (1).

25461941699 is an equidigital number, since it uses as much as digits as its factorization.

25461941699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 56.

The spelling of 25461941699 in words is "twenty-five billion, four hundred sixty-one million, nine hundred forty-one thousand, six hundred ninety-nine".