25434016079 has 2 divisors, whose sum is σ = 25434016080. Its totient is φ = 25434016078.

The previous prime is 25434016039. The next prime is 25434016093. The reversal of 25434016079 is 97061043452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25434016079 - 2³² = 21139048783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25434016039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12717008039 + 12717008040.

It is an arithmetic number, because the mean of its divisors is an integer number (12717008040).

Almost surely, 2^25434016079 is an apocalyptic number.

25434016079 is a deficient number, since it is larger than the sum of its proper divisors (1).

25434016079 is an equidigital number, since it uses as much as digits as its factorization.

25434016079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 25434016079 in words is "twenty-five billion, four hundred thirty-four million, sixteen thousand, seventy-nine".