6857103193 has 2 divisors, whose sum is σ = 6857103194. Its totient is φ = 6857103192.

The previous prime is 6857103191. The next prime is 6857103203. The reversal of 6857103193 is 3913017586.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4310185104 + 2546918089 = 65652^2 + 50467^2 .

It is a cyclic number.

It is not a de Polignac number, because 6857103193 - 2¹ = 6857103191 is a prime.

Together with 6857103191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6857103191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3428551596 + 3428551597.

It is an arithmetic number, because the mean of its divisors is an integer number (3428551597).

Almost surely, 2^6857103193 is an apocalyptic number.

It is an amenable number.

6857103193 is a deficient number, since it is larger than the sum of its proper divisors (1).

6857103193 is an equidigital number, since it uses as much as digits as its factorization.

6857103193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 6857103193 is about 82807.6276257206. The cubic root of 6857103193 is about 1899.8248400853.

The spelling of 6857103193 in words is "six billion, eight hundred fifty-seven million, one hundred three thousand, one hundred ninety-three".