6857036338 has 4 divisors (see below), whose sum is σ = 10285554510. Its totient is φ = 3428518168.

The previous prime is 6857036321. The next prime is 6857036371. The reversal of 6857036338 is 8336307586.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8336307586 = 2 ⋅4168153793.

It can be written as a sum of positive squares in only one way, i.e., 3979464889 + 2877571449 = 63083^2 + 53643^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 6857036291 and 6857036300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1714259083 + ... + 1714259086.

Almost surely, 2^6857036338 is an apocalyptic number.

6857036338 is a deficient number, since it is larger than the sum of its proper divisors (3428518172).

6857036338 is a wasteful number, since it uses less digits than its factorization.

6857036338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428518171.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The square root of 6857036338 is about 82807.2239481556. The cubic root of 6857036338 is about 1899.8186657967.

The spelling of 6857036338 in words is "six billion, eight hundred fifty-seven million, thirty-six thousand, three hundred thirty-eight".