6942819438 has 24 divisors (see below), whose sum is σ = 15046122000. Its totient is φ = 2313758304.

The previous prime is 6942819421. The next prime is 6942819451. The reversal of 6942819438 is 8349182496.

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 11 ways as a sum of consecutive naturals, for example, 45138 + ... + 126186.

It is an arithmetic number, because the mean of its divisors is an integer number (626921750).

Almost surely, 2^6942819438 is an apocalyptic number.

6942819438 is an abundant number, since it is smaller than the sum of its proper divisors (8103302562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6942819438 is a wasteful number, since it uses less digits than its factorization.

6942819438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85816 (or 85813 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 6942819438 is about 83323.5827242204. The cubic root of 6942819438 is about 1907.7082458715.

The spelling of 6942819438 in words is "six billion, nine hundred forty-two million, eight hundred nineteen thousand, four hundred thirty-eight".