6885940381 has 8 divisors (see below), whose sum is σ = 7005035520. Its totient is φ = 6767859168.

The previous prime is 6885940361. The next prime is 6885940403. The reversal of 6885940381 is 1830495886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6885940381 is a prime.

It is a super-2 number, since 2×6885940381² = 94832349861372850322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6885940331) by changing a digit.

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, 239776 + ... + 266953.

It is an arithmetic number, because the mean of its divisors is an integer number (875629440).

Almost surely, 2^6885940381 is an apocalyptic number.

It is an amenable number.

6885940381 is a deficient number, since it is larger than the sum of its proper divisors (119095139).

6885940381 is a wasteful number, since it uses less digits than its factorization.

6885940381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506963.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The square root of 6885940381 is about 82981.5665132926. The cubic root of 6885940381 is about 1902.4843200503.

The spelling of 6885940381 in words is "six billion, eight hundred eighty-five million, nine hundred forty thousand, three hundred eighty-one".