25461810923 has 2 divisors, whose sum is σ = 25461810924. Its totient is φ = 25461810922.

The previous prime is 25461810889. The next prime is 25461810967. The reversal of 25461810923 is 32901816452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25461810923 - 2²⁰ = 25460762347 is a prime.

It is a super-2 number, since 2×25461810923² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25461810523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12730905461 + 12730905462.

It is an arithmetic number, because the mean of its divisors is an integer number (12730905462).

Almost surely, 2^25461810923 is an apocalyptic number.

25461810923 is a deficient number, since it is larger than the sum of its proper divisors (1).

25461810923 is an equidigital number, since it uses as much as digits as its factorization.

25461810923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 25461810923 in words is "twenty-five billion, four hundred sixty-one million, eight hundred ten thousand, nine hundred twenty-three".