6939402603936 has 144 divisors (see below), whose sum is σ = 20423524615200. Its totient is φ = 2046015083520.

The previous prime is 6939402603929. The next prime is 6939402603953. The reversal of 6939402603936 is 6393062049396.

It is a self number, because there is not a number n which added to its sum of digits gives 6939402603936.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 954411 + ... + 3845738.

It is an arithmetic number, because the mean of its divisors is an integer number (141830032050).

Almost surely, 2^{6939402603936} is an apocalyptic number.

6939402603936 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6939402603936 is an abundant number, since it is smaller than the sum of its proper divisors (13484122011264).

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

6939402603936 is a wasteful number, since it uses less digits than its factorization.

6939402603936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800247 (or 4800202 counting only the distinct ones).

The product of its (nonzero) digits is 34012224, while the sum is 60.

The spelling of 6939402603936 in words is "six trillion, nine hundred thirty-nine billion, four hundred two million, six hundred three thousand, nine hundred thirty-six".