25813692371 has 2 divisors, whose sum is σ = 25813692372. Its totient is φ = 25813692370.

The previous prime is 25813692341. The next prime is 25813692379. The reversal of 25813692371 is 17329631852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25813692371 - 2²⁶ = 25746583507 is a prime.

It is not a weakly prime, because it can be changed into another prime (25813692379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12906846185 + 12906846186.

It is an arithmetic number, because the mean of its divisors is an integer number (12906846186).

Almost surely, 2^25813692371 is an apocalyptic number.

25813692371 is a deficient number, since it is larger than the sum of its proper divisors (1).

25813692371 is an equidigital number, since it uses as much as digits as its factorization.

25813692371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The spelling of 25813692371 in words is "twenty-five billion, eight hundred thirteen million, six hundred ninety-two thousand, three hundred seventy-one".