6926389403943 has 4 divisors (see below), whose sum is σ = 9235185871928. Its totient is φ = 4617592935960.

The previous prime is 6926389403939. The next prime is 6926389403959. The reversal of 6926389403943 is 3493049836296.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6926389403943 - 2² = 6926389403939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6926389403933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154398233988 + ... + 1154398233993.

It is an arithmetic number, because the mean of its divisors is an integer number (2308796467982).

Almost surely, 2^{6926389403943} is an apocalyptic number.

6926389403943 is a deficient number, since it is larger than the sum of its proper divisors (2308796467985).

6926389403943 is a wasteful number, since it uses less digits than its factorization.

6926389403943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308796467984.

The product of its (nonzero) digits is 181398528, while the sum is 66.

The spelling of 6926389403943 in words is "six trillion, nine hundred twenty-six billion, three hundred eighty-nine million, four hundred three thousand, nine hundred forty-three".