25793502034957 has 2 divisors, whose sum is σ = 25793502034958. Its totient is φ = 25793502034956.

The previous prime is 25793502034943. The next prime is 25793502035011. The reversal of 25793502034957 is 75943020539752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21257023765156 + 4536478269801 = 4610534^2 + 2129901^2 .

It is a cyclic number.

It is not a de Polignac number, because 25793502034957 - 2¹⁵ = 25793502002189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25793502034895 and 25793502034904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25793502034757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12896751017478 + 12896751017479.

It is an arithmetic number, because the mean of its divisors is an integer number (12896751017479).

Almost surely, 2^{25793502034957} is an apocalyptic number.

It is an amenable number.

25793502034957 is a deficient number, since it is larger than the sum of its proper divisors (1).

25793502034957 is an equidigital number, since it uses as much as digits as its factorization.

25793502034957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71442000, while the sum is 61.

The spelling of 25793502034957 in words is "twenty-five trillion, seven hundred ninety-three billion, five hundred two million, thirty-four thousand, nine hundred fifty-seven".