6854273849 has 4 divisors (see below), whose sum is σ = 6924936564. Its totient is φ = 6783611136.

The previous prime is 6854273821. The next prime is 6854273863. The reversal of 6854273849 is 9483724586.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5381249449 + 1473024400 = 73357^2 + 38380^2 .

It is a cyclic number.

It is not a de Polignac number, because 6854273849 - 2¹² = 6854269753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6854273794 and 6854273803.

It is not an unprimeable number, because it can be changed into a prime (6854270849) 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, 35331212 + ... + 35331405.

It is an arithmetic number, because the mean of its divisors is an integer number (1731234141).

Almost surely, 2^6854273849 is an apocalyptic number.

It is an amenable number.

6854273849 is a deficient number, since it is larger than the sum of its proper divisors (70662715).

6854273849 is an equidigital number, since it uses as much as digits as its factorization.

6854273849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70662714.

The product of its digits is 11612160, while the sum is 56.

The square root of 6854273849 is about 82790.5420262484. The cubic root of 6854273849 is about 1899.5635053625.

The spelling of 6854273849 in words is "six billion, eight hundred fifty-four million, two hundred seventy-three thousand, eight hundred forty-nine".