25932656663 has 2 divisors, whose sum is σ = 25932656664. Its totient is φ = 25932656662.

The previous prime is 25932656611. The next prime is 25932656693. The reversal of 25932656663 is 36665623952.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25932656663 - 2⁶ = 25932656599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25932656693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12966328331 + 12966328332.

It is an arithmetic number, because the mean of its divisors is an integer number (12966328332).

Almost surely, 2^25932656663 is an apocalyptic number.

25932656663 is a deficient number, since it is larger than the sum of its proper divisors (1).

25932656663 is an equidigital number, since it uses as much as digits as its factorization.

25932656663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10497600, while the sum is 53.

The spelling of 25932656663 in words is "twenty-five billion, nine hundred thirty-two million, six hundred fifty-six thousand, six hundred sixty-three".