6942859321 has 4 divisors (see below), whose sum is σ = 7040646144. Its totient is φ = 6845072500.

The previous prime is 6942859309. The next prime is 6942859333. The reversal of 6942859321 is 1239582496.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (6942859309) and next prime (6942859333).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6942859321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6942859361) 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 3 ways as a sum of consecutive naturals, for example, 48893305 + ... + 48893446.

It is an arithmetic number, because the mean of its divisors is an integer number (1760161536).

Almost surely, 2^6942859321 is an apocalyptic number.

It is an amenable number.

6942859321 is a deficient number, since it is larger than the sum of its proper divisors (97786823).

6942859321 is an equidigital number, since it uses as much as digits as its factorization.

6942859321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97786822.

The product of its digits is 933120, while the sum is 49.

The square root of 6942859321 is about 83323.8220498796. The cubic root of 6942859321 is about 1907.7118988055.

The spelling of 6942859321 in words is "six billion, nine hundred forty-two million, eight hundred fifty-nine thousand, three hundred twenty-one".