6338638290 has 16 divisors (see below), whose sum is σ = 15212731968. Its totient is φ = 1690303536.

The previous prime is 6338638211. The next prime is 6338638291. The reversal of 6338638290 is 928368336.

It is not an unprimeable number, because it can be changed into a prime (6338638291) 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, 105643942 + ... + 105644001.

It is an arithmetic number, because the mean of its divisors is an integer number (950795748).

Almost surely, 2^6338638290 is an apocalyptic number.

6338638290 is an abundant number, since it is smaller than the sum of its proper divisors (8874093678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6338638290 is a wasteful number, since it uses less digits than its factorization.

6338638290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211287953.

The product of its (nonzero) digits is 1119744, while the sum is 48.

The square root of 6338638290 is about 79615.5656263271. The cubic root of 6338638290 is about 1850.6828051760.

The spelling of 6338638290 in words is "six billion, three hundred thirty-eight million, six hundred thirty-eight thousand, two hundred ninety".