25895667563 has 2 divisors, whose sum is σ = 25895667564. Its totient is φ = 25895667562.

The previous prime is 25895667529. The next prime is 25895667569. The reversal of 25895667563 is 36576659852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25895667563 - 2¹⁴ = 25895651179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25895667496 and 25895667505.

It is not a weakly prime, because it can be changed into another prime (25895667569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12947833781 + 12947833782.

It is an arithmetic number, because the mean of its divisors is an integer number (12947833782).

Almost surely, 2^25895667563 is an apocalyptic number.

25895667563 is a deficient number, since it is larger than the sum of its proper divisors (1).

25895667563 is an equidigital number, since it uses as much as digits as its factorization.

25895667563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648000, while the sum is 62.

The spelling of 25895667563 in words is "twenty-five billion, eight hundred ninety-five million, six hundred sixty-seven thousand, five hundred sixty-three".