25843834852 has 36 divisors (see below), whose sum is σ = 51315647488. Its totient is φ = 11368249200.

The previous prime is 25843834847. The next prime is 25843834859.

25843834852 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 25843834852.

It is not an unprimeable number, because it can be changed into a prime (25843834859) 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 11 ways as a sum of consecutive naturals, for example, 846228 + ... + 876235.

Almost surely, 2^25843834852 is an apocalyptic number.

25843834852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25843834852 is a deficient number, since it is larger than the sum of its proper divisors (25471812636).

25843834852 is a wasteful number, since it uses less digits than its factorization.

25843834852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722520 (or 1722507 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 52.

The spelling of 25843834852 in words is "twenty-five billion, eight hundred forty-three million, eight hundred thirty-four thousand, eight hundred fifty-two".