25793460191 has 2 divisors, whose sum is σ = 25793460192. Its totient is φ = 25793460190.

The previous prime is 25793460107. The next prime is 25793460221. The reversal of 25793460191 is 19106439752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25793460191 - 2¹⁸ = 25793198047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25793460391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12896730095 + 12896730096.

It is an arithmetic number, because the mean of its divisors is an integer number (12896730096).

Almost surely, 2^25793460191 is an apocalyptic number.

25793460191 is a deficient number, since it is larger than the sum of its proper divisors (1).

25793460191 is an equidigital number, since it uses as much as digits as its factorization.

25793460191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 25793460191 in words is "twenty-five billion, seven hundred ninety-three million, four hundred sixty thousand, one hundred ninety-one".