25993275699 has 4 divisors (see below), whose sum is σ = 34657700936. Its totient is φ = 17328850464.

The previous prime is 25993275667. The next prime is 25993275703. The reversal of 25993275699 is 99657239952.

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

It is not a de Polignac number, because 25993275699 - 2⁵ = 25993275667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25993275629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4332212614 + ... + 4332212619.

It is an arithmetic number, because the mean of its divisors is an integer number (8664425234).

Almost surely, 2^25993275699 is an apocalyptic number.

25993275699 is a deficient number, since it is larger than the sum of its proper divisors (8664425237).

25993275699 is an equidigital number, since it uses as much as digits as its factorization.

25993275699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8664425236.

The product of its digits is 82668600, while the sum is 66.

The spelling of 25993275699 in words is "twenty-five billion, nine hundred ninety-three million, two hundred seventy-five thousand, six hundred ninety-nine".