25313734651 has 2 divisors, whose sum is σ = 25313734652. Its totient is φ = 25313734650.

The previous prime is 25313734639. The next prime is 25313734717. The reversal of 25313734651 is 15643731352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25313734651 - 2²³ = 25305346043 is a prime.

It is not a weakly prime, because it can be changed into another prime (25313735651) 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, 12656867325 + 12656867326.

It is an arithmetic number, because the mean of its divisors is an integer number (12656867326).

Almost surely, 2^25313734651 is an apocalyptic number.

25313734651 is a deficient number, since it is larger than the sum of its proper divisors (1).

25313734651 is an equidigital number, since it uses as much as digits as its factorization.

25313734651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 40.

The spelling of 25313734651 in words is "twenty-five billion, three hundred thirteen million, seven hundred thirty-four thousand, six hundred fifty-one".