12402833643 has 10 divisors (see below), whose sum is σ = 18527689884. Its totient is φ = 8268555708.

The previous prime is 12402833551. The next prime is 12402833647. The reversal of 12402833643 is 34633820421.

12402833643 is a `hidden beast` number, since 1 + 2 + 4 + 0 + 2 + 8 + 3 + 3 + 643 = 666.

12402833643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12402833643 - 2¹⁰ = 12402832619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12402833598 and 12402833607.

It is not an unprimeable number, because it can be changed into a prime (12402833647) 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 9 ways as a sum of consecutive naturals, for example, 76560621 + ... + 76560782.

Almost surely, 2^12402833643 is an apocalyptic number.

12402833643 is a deficient number, since it is larger than the sum of its proper divisors (6124856241).

12402833643 is an equidigital number, since it uses as much as digits as its factorization.

12402833643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153121415 (or 153121406 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 12402833643 in words is "twelve billion, four hundred two million, eight hundred thirty-three thousand, six hundred forty-three".