25928616859253 has 2 divisors, whose sum is σ = 25928616859254. Its totient is φ = 25928616859252.

The previous prime is 25928616859231. The next prime is 25928616859333. The reversal of 25928616859253 is 35295861682952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24512381196004 + 1416235663249 = 4950998^2 + 1190057^2 .

It is a cyclic number.

It is not a de Polignac number, because 25928616859253 - 2⁸ = 25928616858997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25928616859853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12964308429626 + 12964308429627.

It is an arithmetic number, because the mean of its divisors is an integer number (12964308429627).

Almost surely, 2^{25928616859253} is an apocalyptic number.

It is an amenable number.

25928616859253 is a deficient number, since it is larger than the sum of its proper divisors (1).

25928616859253 is an equidigital number, since it uses as much as digits as its factorization.

25928616859253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872000, while the sum is 71.

The spelling of 25928616859253 in words is "twenty-five trillion, nine hundred twenty-eight billion, six hundred sixteen million, eight hundred fifty-nine thousand, two hundred fifty-three".