25632441727 has 2 divisors, whose sum is σ = 25632441728. Its totient is φ = 25632441726.

The previous prime is 25632441697. The next prime is 25632441749. The reversal of 25632441727 is 72714423652.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25632441727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25632441767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12816220863 + 12816220864.

It is an arithmetic number, because the mean of its divisors is an integer number (12816220864).

Almost surely, 2^25632441727 is an apocalyptic number.

25632441727 is a deficient number, since it is larger than the sum of its proper divisors (1).

25632441727 is an equidigital number, since it uses as much as digits as its factorization.

25632441727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 43.

The spelling of 25632441727 in words is "twenty-five billion, six hundred thirty-two million, four hundred forty-one thousand, seven hundred twenty-seven".