6366402243 has 24 divisors (see below), whose sum is σ = 9366397248. Its totient is φ = 4166035632.

The previous prime is 6366402191. The next prime is 6366402253. The reversal of 6366402243 is 3422046636.

6366402243 is a `hidden beast` number, since 6 + 3 + 6 + 6 + 402 + 243 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-6366402243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6366402198 and 6366402207.

It is not an unprimeable number, because it can be changed into a prime (6366402253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151996 + ... + 189302.

It is an arithmetic number, because the mean of its divisors is an integer number (390266552).

Almost surely, 2^6366402243 is an apocalyptic number.

6366402243 is a deficient number, since it is larger than the sum of its proper divisors (2999995005).

6366402243 is a wasteful number, since it uses less digits than its factorization.

6366402243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37663 (or 37660 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The square root of 6366402243 is about 79789.7377047951. The cubic root of 6366402243 is about 1853.3809363330.

Adding to 6366402243 its reverse (3422046636), we get a palindrome (9788448879).

The spelling of 6366402243 in words is "six billion, three hundred sixty-six million, four hundred two thousand, two hundred forty-three".