6857092345 has 4 divisors (see below), whose sum is σ = 8228510820. Its totient is φ = 5485673872.

The previous prime is 6857092243. The next prime is 6857092349. The reversal of 6857092345 is 5432907586.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5432907586 = 2 ⋅2716453793.

It can be written as a sum of positive squares in 2 ways, for example, as 1541661696 + 5315430649 = 39264^2 + 72907^2 .

It is a cyclic number.

It is not a de Polignac number, because 6857092345 - 2⁷ = 6857092217 is a prime.

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 not an unprimeable number, because it can be changed into a prime (6857092349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685709230 + ... + 685709239.

It is an arithmetic number, because the mean of its divisors is an integer number (2057127705).

Almost surely, 2^6857092345 is an apocalyptic number.

It is an amenable number.

6857092345 is a deficient number, since it is larger than the sum of its proper divisors (1371418475).

6857092345 is a wasteful number, since it uses less digits than its factorization.

6857092345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371418474.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The square root of 6857092345 is about 82807.5621244823. The cubic root of 6857092345 is about 1899.8238382380.

The spelling of 6857092345 in words is "six billion, eight hundred fifty-seven million, ninety-two thousand, three hundred forty-five".