6813517073 has 4 divisors (see below), whose sum is σ = 7432927728. Its totient is φ = 6194106420.

The previous prime is 6813517069. The next prime is 6813517093. The reversal of 6813517073 is 3707153186.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6813517073 - 2² = 6813517069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6813517073.

It is not an unprimeable number, because it can be changed into a prime (6813517093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309705311 + ... + 309705332.

It is an arithmetic number, because the mean of its divisors is an integer number (1858231932).

Almost surely, 2^6813517073 is an apocalyptic number.

It is an amenable number.

6813517073 is a deficient number, since it is larger than the sum of its proper divisors (619410655).

6813517073 is a wasteful number, since it uses less digits than its factorization.

6813517073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619410654.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 6813517073 is about 82544.0311167319. The cubic root of 6813517073 is about 1895.7909664428.

The spelling of 6813517073 in words is "six billion, eight hundred thirteen million, five hundred seventeen thousand, seventy-three".