6814808285213 has 4 divisors (see below), whose sum is σ = 6814990726908. Its totient is φ = 6814625843520.

The previous prime is 6814808285209. The next prime is 6814808285279. The reversal of 6814808285213 is 3125828084186.

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 2061871990084 + 4752936295129 = 1435922^2 + 2180123^2 .

It is a cyclic number.

It is not a de Polignac number, because 6814808285213 - 2² = 6814808285209 is a prime.

It is a super-2 number, since 2×6814808285213² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6814808285113) 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, 91164806 + ... + 91239527.

It is an arithmetic number, because the mean of its divisors is an integer number (1703747681727).

Almost surely, 2^{6814808285213} is an apocalyptic number.

It is an amenable number.

6814808285213 is a deficient number, since it is larger than the sum of its proper divisors (182441695).

6814808285213 is a wasteful number, since it uses less digits than its factorization.

6814808285213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182441694.

The product of its (nonzero) digits is 5898240, while the sum is 56.

The spelling of 6814808285213 in words is "six trillion, eight hundred fourteen billion, eight hundred eight million, two hundred eighty-five thousand, two hundred thirteen".