6812616311 has 4 divisors (see below), whose sum is σ = 6850675800. Its totient is φ = 6774556824.

The previous prime is 6812616257. The next prime is 6812616323. The reversal of 6812616311 is 1136162186.

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

It is a cyclic number.

It is not a de Polignac number, because 6812616311 - 2¹⁰ = 6812615287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6812616331) 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, 19029476 + ... + 19029833.

It is an arithmetic number, because the mean of its divisors is an integer number (1712668950).

Almost surely, 2^6812616311 is an apocalyptic number.

6812616311 is a deficient number, since it is larger than the sum of its proper divisors (38059489).

6812616311 is a wasteful number, since it uses less digits than its factorization.

6812616311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38059488.

The product of its digits is 10368, while the sum is 35.

The square root of 6812616311 is about 82538.5746848103. The cubic root of 6812616311 is about 1895.7074201772.

Adding to 6812616311 its reverse (1136162186), we get a palindrome (7948778497).

The spelling of 6812616311 in words is "six billion, eight hundred twelve million, six hundred sixteen thousand, three hundred eleven".