25159884647 has 2 divisors, whose sum is σ = 25159884648. Its totient is φ = 25159884646.

The previous prime is 25159884623. The next prime is 25159884653. The reversal of 25159884647 is 74648895152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25159884647 - 2¹⁴ = 25159868263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25159884677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12579942323 + 12579942324.

It is an arithmetic number, because the mean of its divisors is an integer number (12579942324).

Almost surely, 2^25159884647 is an apocalyptic number.

25159884647 is a deficient number, since it is larger than the sum of its proper divisors (1).

25159884647 is an equidigital number, since it uses as much as digits as its factorization.

25159884647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19353600, while the sum is 59.

The spelling of 25159884647 in words is "twenty-five billion, one hundred fifty-nine million, eight hundred eighty-four thousand, six hundred forty-seven".