25353582859 has 8 divisors (see below), whose sum is σ = 29285422128. Its totient is φ = 21692904960.

The previous prime is 25353582857. The next prime is 25353582869. The reversal of 25353582859 is 95828535352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25353582859 - 2¹ = 25353582857 is a prime.

It is a super-2 number, since 2×25353582859² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25353582857) 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 7 ways as a sum of consecutive naturals, for example, 67790142 + ... + 67790515.

It is an arithmetic number, because the mean of its divisors is an integer number (3660677766).

Almost surely, 2^25353582859 is an apocalyptic number.

25353582859 is a deficient number, since it is larger than the sum of its proper divisors (3931839269).

25353582859 is a wasteful number, since it uses less digits than its factorization.

25353582859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135580685.

The product of its digits is 12960000, while the sum is 55.

The spelling of 25353582859 in words is "twenty-five billion, three hundred fifty-three million, five hundred eighty-two thousand, eight hundred fifty-nine".