6390512338 has 64 divisors (see below), whose sum is σ = 11365466112. Its totient is φ = 2638319040.

The previous prime is 6390512333. The next prime is 6390512341. The reversal of 6390512338 is 8332150936.

It is a self number, because there is not a number n which added to its sum of digits gives 6390512338.

It is not an unprimeable number, because it can be changed into a prime (6390512333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24298395 + ... + 24298657.

It is an arithmetic number, because the mean of its divisors is an integer number (177585408).

Almost surely, 2^6390512338 is an apocalyptic number.

6390512338 is a deficient number, since it is larger than the sum of its proper divisors (4974953774).

6390512338 is a wasteful number, since it uses less digits than its factorization.

6390512338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 6390512338 is about 79940.6801196988. The cubic root of 6390512338 is about 1855.7176250037.

The spelling of 6390512338 in words is "six billion, three hundred ninety million, five hundred twelve thousand, three hundred thirty-eight".