6340389430 has 16 divisors (see below), whose sum is σ = 11476462320. Its totient is φ = 2521986592.

The previous prime is 6340389409. The next prime is 6340389457. The reversal of 6340389430 is 349830436.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1769269 + ... + 1772848.

It is an arithmetic number, because the mean of its divisors is an integer number (717278895).

Almost surely, 2^6340389430 is an apocalyptic number.

6340389430 is a deficient number, since it is larger than the sum of its proper divisors (5136072890).

6340389430 is a wasteful number, since it uses less digits than its factorization.

6340389430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542303.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 6340389430 is about 79626.5623394606. The cubic root of 6340389430 is about 1850.8532153990.

The spelling of 6340389430 in words is "six billion, three hundred forty million, three hundred eighty-nine thousand, four hundred thirty".