6926389403942 has 4 divisors (see below), whose sum is σ = 10389584105916. Its totient is φ = 3463194701970.

The previous prime is 6926389403939. The next prime is 6926389403959. The reversal of 6926389403942 is 2493049836296.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1731597350984 + ... + 1731597350987.

It is an arithmetic number, because the mean of its divisors is an integer number (2597396026479).

Almost surely, 2^{6926389403942} is an apocalyptic number.

6926389403942 is a deficient number, since it is larger than the sum of its proper divisors (3463194701974).

6926389403942 is a wasteful number, since it uses less digits than its factorization.

6926389403942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463194701973.

The product of its (nonzero) digits is 120932352, while the sum is 65.

The spelling of 6926389403942 in words is "six trillion, nine hundred twenty-six billion, three hundred eighty-nine million, four hundred three thousand, nine hundred forty-two".