6943840342 has 16 divisors (see below), whose sum is σ = 10609710480. Its totient is φ = 3407840128.

The previous prime is 6943840297. The next prime is 6943840433. The reversal of 6943840342 is 2430483496.

It is a congruent number.

It is an unprimeable number.

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, 117988 + ... + 166759.

It is an arithmetic number, because the mean of its divisors is an integer number (663106905).

Almost surely, 2^6943840342 is an apocalyptic number.

6943840342 is a deficient number, since it is larger than the sum of its proper divisors (3665870138).

6943840342 is a wasteful number, since it uses less digits than its factorization.

6943840342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284975.

The product of its (nonzero) digits is 497664, while the sum is 43.

The square root of 6943840342 is about 83329.7086398362. The cubic root of 6943840342 is about 1907.8017473442.

The spelling of 6943840342 in words is "six billion, nine hundred forty-three million, eight hundred forty thousand, three hundred forty-two".