25495430063 has 2 divisors, whose sum is σ = 25495430064. Its totient is φ = 25495430062.

The previous prime is 25495430053. The next prime is 25495430071. The reversal of 25495430063 is 36003459452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25495430063 - 2¹⁶ = 25495364527 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25495430063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25495430033) 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, 12747715031 + 12747715032.

It is an arithmetic number, because the mean of its divisors is an integer number (12747715032).

Almost surely, 2^25495430063 is an apocalyptic number.

25495430063 is a deficient number, since it is larger than the sum of its proper divisors (1).

25495430063 is an equidigital number, since it uses as much as digits as its factorization.

25495430063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 25495430063 in words is "twenty-five billion, four hundred ninety-five million, four hundred thirty thousand, sixty-three".