25928236163 has 2 divisors, whose sum is σ = 25928236164. Its totient is φ = 25928236162.

The previous prime is 25928236129. The next prime is 25928236181. The reversal of 25928236163 is 36163282952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25928236163 - 2¹⁸ = 25927974019 is a prime.

It is not a weakly prime, because it can be changed into another prime (25928236183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12964118081 + 12964118082.

It is an arithmetic number, because the mean of its divisors is an integer number (12964118082).

Almost surely, 2^25928236163 is an apocalyptic number.

25928236163 is a deficient number, since it is larger than the sum of its proper divisors (1).

25928236163 is an equidigital number, since it uses as much as digits as its factorization.

25928236163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 47.

The spelling of 25928236163 in words is "twenty-five billion, nine hundred twenty-eight million, two hundred thirty-six thousand, one hundred sixty-three".