6816317901 has 4 divisors (see below), whose sum is σ = 9088423872. Its totient is φ = 4544211932.

The previous prime is 6816317873. The next prime is 6816317917. The reversal of 6816317901 is 1097136186.

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 6816317901 - 2¹⁴ = 6816301517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6816317951) 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, 1136052981 + ... + 1136052986.

It is an arithmetic number, because the mean of its divisors is an integer number (2272105968).

Almost surely, 2^6816317901 is an apocalyptic number.

It is an amenable number.

6816317901 is a deficient number, since it is larger than the sum of its proper divisors (2272105971).

6816317901 is a wasteful number, since it uses less digits than its factorization.

6816317901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272105970.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 6816317901 is about 82560.9950339747. The cubic root of 6816317901 is about 1896.0506980404.

The spelling of 6816317901 in words is "six billion, eight hundred sixteen million, three hundred seventeen thousand, nine hundred one".