25718270928671 has 2 divisors, whose sum is σ = 25718270928672. Its totient is φ = 25718270928670.

The previous prime is 25718270928667. The next prime is 25718270928677. The reversal of 25718270928671 is 17682907281752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25718270928671 - 2² = 25718270928667 is a prime.

It is a super-2 number, since 2×25718270928671² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25718270928598 and 25718270928607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25718270928677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12859135464335 + 12859135464336.

It is an arithmetic number, because the mean of its divisors is an integer number (12859135464336).

Almost surely, 2^{25718270928671} is an apocalyptic number.

25718270928671 is a deficient number, since it is larger than the sum of its proper divisors (1).

25718270928671 is an equidigital number, since it uses as much as digits as its factorization.

25718270928671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47416320, while the sum is 65.

The spelling of 25718270928671 in words is "twenty-five trillion, seven hundred eighteen billion, two hundred seventy million, nine hundred twenty-eight thousand, six hundred seventy-one".