25974970308803 has 2 divisors, whose sum is σ = 25974970308804. Its totient is φ = 25974970308802.

The previous prime is 25974970308739. The next prime is 25974970308817. The reversal of 25974970308803 is 30880307947952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25974970308803 - 2⁶ = 25974970308739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25974970308803.

It is not a weakly prime, because it can be changed into another prime (25974970308863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12987485154401 + 12987485154402.

It is an arithmetic number, because the mean of its divisors is an integer number (12987485154402).

Almost surely, 2^{25974970308803} is an apocalyptic number.

25974970308803 is a deficient number, since it is larger than the sum of its proper divisors (1).

25974970308803 is an equidigital number, since it uses as much as digits as its factorization.

25974970308803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91445760, while the sum is 65.

The spelling of 25974970308803 in words is "twenty-five trillion, nine hundred seventy-four billion, nine hundred seventy million, three hundred eight thousand, eight hundred three".