25971960373 has 2 divisors, whose sum is σ = 25971960374. Its totient is φ = 25971960372.

The previous prime is 25971960359. The next prime is 25971960431. The reversal of 25971960373 is 37306917952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20089377169 + 5882583204 = 141737^2 + 76698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25971960373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25971960373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25971960323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12985980186 + 12985980187.

It is an arithmetic number, because the mean of its divisors is an integer number (12985980187).

Almost surely, 2^25971960373 is an apocalyptic number.

It is an amenable number.

25971960373 is a deficient number, since it is larger than the sum of its proper divisors (1).

25971960373 is an equidigital number, since it uses as much as digits as its factorization.

25971960373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2143260, while the sum is 52.

The spelling of 25971960373 in words is "twenty-five billion, nine hundred seventy-one million, nine hundred sixty thousand, three hundred seventy-three".