6840364982 has 12 divisors (see below), whose sum is σ = 11278122828. Its totient is φ = 3109256700.

The previous prime is 6840364981. The next prime is 6840364997. The reversal of 6840364982 is 2894630486.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6840364982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840364981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14132744 + ... + 14133227.

It is an arithmetic number, because the mean of its divisors is an integer number (939843569).

Almost surely, 2^6840364982 is an apocalyptic number.

6840364982 is a deficient number, since it is larger than the sum of its proper divisors (4437757846).

6840364982 is a wasteful number, since it uses less digits than its factorization.

6840364982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28265995 (or 28265984 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The square root of 6840364982 is about 82706.4990312128. The cubic root of 6840364982 is about 1898.2777544015.

The spelling of 6840364982 in words is "six billion, eight hundred forty million, three hundred sixty-four thousand, nine hundred eighty-two".