25783829233 has 4 divisors (see below), whose sum is σ = 25809283188. Its totient is φ = 25758375280.

The previous prime is 25783829131. The next prime is 25783829257. The reversal of 25783829233 is 33292838752.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8439729424 + 17344099809 = 91868^2 + 131697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25783829233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25783829333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12725458 + ... + 12727483.

It is an arithmetic number, because the mean of its divisors is an integer number (6452320797).

Almost surely, 2^25783829233 is an apocalyptic number.

It is an amenable number.

25783829233 is a deficient number, since it is larger than the sum of its proper divisors (25453955).

25783829233 is a wasteful number, since it uses less digits than its factorization.

25783829233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25453954.

The product of its digits is 4354560, while the sum is 52.

The spelling of 25783829233 in words is "twenty-five billion, seven hundred eighty-three million, eight hundred twenty-nine thousand, two hundred thirty-three".