25974970308863 has 2 divisors, whose sum is σ = 25974970308864. Its totient is φ = 25974970308862.

The previous prime is 25974970308839. The next prime is 25974970308869. The reversal of 25974970308863 is 36880307947952.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25974970308863 - 2¹⁸ = 25974970046719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25974970308869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12987485154431 + 12987485154432.

It is an arithmetic number, because the mean of its divisors is an integer number (12987485154432).

Almost surely, 2^{25974970308863} is an apocalyptic number.

25974970308863 is a deficient number, since it is larger than the sum of its proper divisors (1).

25974970308863 is an equidigital number, since it uses as much as digits as its factorization.

25974970308863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 548674560, while the sum is 71.

The spelling of 25974970308863 in words is "twenty-five trillion, nine hundred seventy-four billion, nine hundred seventy million, three hundred eight thousand, eight hundred sixty-three".