6430397394 has 16 divisors (see below), whose sum is σ = 13275659520. Its totient is φ = 2074321680.

The previous prime is 6430397381. The next prime is 6430397399. The reversal of 6430397394 is 4937930346.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6430397399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17285829 + ... + 17286200.

It is an arithmetic number, because the mean of its divisors is an integer number (829728720).

Almost surely, 2^6430397394 is an apocalyptic number.

6430397394 is an abundant number, since it is smaller than the sum of its proper divisors (6845262126).

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

6430397394 is a wasteful number, since it uses less digits than its factorization.

6430397394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34572065.

The product of its (nonzero) digits is 1469664, while the sum is 48.

The square root of 6430397394 is about 80189.7586603177. The cubic root of 6430397394 is about 1859.5703129301.

The spelling of 6430397394 in words is "six billion, four hundred thirty million, three hundred ninety-seven thousand, three hundred ninety-four".