6939355812 has 24 divisors (see below), whose sum is σ = 16205103936. Its totient is φ = 2311222368.

The previous prime is 6939355811. The next prime is 6939355823. The reversal of 6939355812 is 2185539396.

It is not an unprimeable number, because it can be changed into a prime (6939355811) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 221743 + ... + 251094.

It is an arithmetic number, because the mean of its divisors is an integer number (675212664).

Almost surely, 2^6939355812 is an apocalyptic number.

It is an amenable number.

6939355812 is an abundant number, since it is smaller than the sum of its proper divisors (9265748124).

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

6939355812 is a wasteful number, since it uses less digits than its factorization.

6939355812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474067 (or 474065 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 51.

The square root of 6939355812 is about 83302.7959434736. The cubic root of 6939355812 is about 1907.3909546500.

The spelling of 6939355812 in words is "six billion, nine hundred thirty-nine million, three hundred fifty-five thousand, eight hundred twelve".