6331620244 has 12 divisors (see below), whose sum is σ = 11083377844. Its totient is φ = 3164940864.

The previous prime is 6331620241. The next prime is 6331620299. The reversal of 6331620244 is 4420261336.

It can be written as a sum of positive squares in 2 ways, for example, as 502297744 + 5829322500 = 22412^2 + 76350^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6331620241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200787 + ... + 230170.

Almost surely, 2^6331620244 is an apocalyptic number.

It is an amenable number.

6331620244 is a deficient number, since it is larger than the sum of its proper divisors (4751757600).

6331620244 is a wasteful number, since it uses less digits than its factorization.

6331620244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434634 (or 434632 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 6331620244 is about 79571.4788350700. The cubic root of 6331620244 is about 1849.9995367907. Note that the first 3 decimals are identical.

The spelling of 6331620244 in words is "six billion, three hundred thirty-one million, six hundred twenty thousand, two hundred forty-four".