6814640234 has 16 divisors (see below), whose sum is σ = 10257122688. Its totient is φ = 3395613312.

The previous prime is 6814640207. The next prime is 6814640257. The reversal of 6814640234 is 4320464186.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1478177 + ... + 1482779.

It is an arithmetic number, because the mean of its divisors is an integer number (641070168).

Almost surely, 2^6814640234 is an apocalyptic number.

6814640234 is a deficient number, since it is larger than the sum of its proper divisors (3442482454).

6814640234 is a wasteful number, since it uses less digits than its factorization.

6814640234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989.

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 6814640234 is about 82550.8342416962. The cubic root of 6814640234 is about 1895.8951300471.

The spelling of 6814640234 in words is "six billion, eight hundred fourteen million, six hundred forty thousand, two hundred thirty-four".