25063668407 has 2 divisors, whose sum is σ = 25063668408. Its totient is φ = 25063668406.

The previous prime is 25063668397. The next prime is 25063668419. The reversal of 25063668407 is 70486636052.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25063668407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25063668437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12531834203 + 12531834204.

It is an arithmetic number, because the mean of its divisors is an integer number (12531834204).

Almost surely, 2^25063668407 is an apocalyptic number.

25063668407 is a deficient number, since it is larger than the sum of its proper divisors (1).

25063668407 is an equidigital number, since it uses as much as digits as its factorization.

25063668407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 25063668407 in words is "twenty-five billion, sixty-three million, six hundred sixty-eight thousand, four hundred seven".