25430940595 has 4 divisors (see below), whose sum is σ = 30517128720. Its totient is φ = 20344752472.

The previous prime is 25430940581. The next prime is 25430940617. The reversal of 25430940595 is 59504903452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25430940595 - 2⁷ = 25430940467 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2543094055 + ... + 2543094064.

It is an arithmetic number, because the mean of its divisors is an integer number (7629282180).

Almost surely, 2^25430940595 is an apocalyptic number.

25430940595 is a deficient number, since it is larger than the sum of its proper divisors (5086188125).

25430940595 is an equidigital number, since it uses as much as digits as its factorization.

25430940595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086188124.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 25430940595 in words is "twenty-five billion, four hundred thirty million, nine hundred forty thousand, five hundred ninety-five".