25485425699 has 4 divisors (see below), whose sum is σ = 25485745560. Its totient is φ = 25485105840.

The previous prime is 25485425689. The next prime is 25485425723. The reversal of 25485425699 is 99652458452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25485425699 - 2⁴ = 25485425683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25485425689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65564 + ... + 235094.

It is an arithmetic number, because the mean of its divisors is an integer number (6371436390).

Almost surely, 2^25485425699 is an apocalyptic number.

25485425699 is a deficient number, since it is larger than the sum of its proper divisors (319861).

25485425699 is a wasteful number, since it uses less digits than its factorization.

25485425699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319860.

The product of its digits is 31104000, while the sum is 59.

The spelling of 25485425699 in words is "twenty-five billion, four hundred eighty-five million, four hundred twenty-five thousand, six hundred ninety-nine".