25032799663 has 2 divisors, whose sum is σ = 25032799664. Its totient is φ = 25032799662.

The previous prime is 25032799643. The next prime is 25032799699. The reversal of 25032799663 is 36699723052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25032799663 - 2⁹ = 25032799151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25032799663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25032799643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12516399831 + 12516399832.

It is an arithmetic number, because the mean of its divisors is an integer number (12516399832).

Almost surely, 2^25032799663 is an apocalyptic number.

25032799663 is a deficient number, since it is larger than the sum of its proper divisors (1).

25032799663 is an equidigital number, since it uses as much as digits as its factorization.

25032799663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3674160, while the sum is 52.

The spelling of 25032799663 in words is "twenty-five billion, thirty-two million, seven hundred ninety-nine thousand, six hundred sixty-three".