6840003381 has 16 divisors (see below), whose sum is σ = 9161403264. Its totient is φ = 4539334464.

The previous prime is 6840003367. The next prime is 6840003433. The reversal of 6840003381 is 1833000486.

It is not a de Polignac number, because 6840003381 - 2⁵ = 6840003349 is a prime.

It is a super-2 number, since 2×6840003381² = 93571292504182862322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840003301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079635 + ... + 1085951.

It is an arithmetic number, because the mean of its divisors is an integer number (572587704).

Almost surely, 2^6840003381 is an apocalyptic number.

It is an amenable number.

6840003381 is a deficient number, since it is larger than the sum of its proper divisors (2321399883).

6840003381 is a wasteful number, since it uses less digits than its factorization.

6840003381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7900.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 6840003381 is about 82704.3129528322. The cubic root of 6840003381 is about 1898.2443043720.

The spelling of 6840003381 in words is "six billion, eight hundred forty million, three thousand, three hundred eighty-one".