25719030263 has 2 divisors, whose sum is σ = 25719030264. Its totient is φ = 25719030262.

The previous prime is 25719030257. The next prime is 25719030289. The reversal of 25719030263 is 36203091752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25719030263 - 2¹⁶ = 25718964727 is a prime.

It is a super-2 number, since 2×25719030263² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25719030763) 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, 12859515131 + 12859515132.

It is an arithmetic number, because the mean of its divisors is an integer number (12859515132).

Almost surely, 2^25719030263 is an apocalyptic number.

25719030263 is a deficient number, since it is larger than the sum of its proper divisors (1).

25719030263 is an equidigital number, since it uses as much as digits as its factorization.

25719030263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 25719030263 in words is "twenty-five billion, seven hundred nineteen million, thirty thousand, two hundred sixty-three".