6238663390 has 16 divisors (see below), whose sum is σ = 11441474208. Its totient is φ = 2448380896.

The previous prime is 6238663331. The next prime is 6238663391. The reversal of 6238663390 is 933668326.

It is a self number, because there is not a number n which added to its sum of digits gives 6238663390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6238663391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5885002 + ... + 5886061.

It is an arithmetic number, because the mean of its divisors is an integer number (715092138).

Almost surely, 2^6238663390 is an apocalyptic number.

6238663390 is a deficient number, since it is larger than the sum of its proper divisors (5202810818).

6238663390 is a wasteful number, since it uses less digits than its factorization.

6238663390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11771123.

The product of its (nonzero) digits is 839808, while the sum is 46.

The square root of 6238663390 is about 78985.2099446472. The cubic root of 6238663390 is about 1840.9013571767.

The spelling of 6238663390 in words is "six billion, two hundred thirty-eight million, six hundred sixty-three thousand, three hundred ninety".