6939892838 has 16 divisors (see below), whose sum is σ = 10484640000. Its totient is φ = 3445035072.

The previous prime is 6939892837. The next prime is 6939892849. The reversal of 6939892838 is 8382989396.

It is a super-3 number, since 3×6939892838³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6939892837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853898 + ... + 861986.

It is an arithmetic number, because the mean of its divisors is an integer number (655290000).

Almost surely, 2^6939892838 is an apocalyptic number.

6939892838 is a deficient number, since it is larger than the sum of its proper divisors (3544747162).

6939892838 is a wasteful number, since it uses less digits than its factorization.

6939892838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11119.

The product of its digits is 40310784, while the sum is 65.

The square root of 6939892838 is about 83306.0192183014. The cubic root of 6939892838 is about 1907.4401567249.

The spelling of 6939892838 in words is "six billion, nine hundred thirty-nine million, eight hundred ninety-two thousand, eight hundred thirty-eight".