6373316991 has 4 divisors (see below), whose sum is σ = 8497755992. Its totient is φ = 4248877992.

The previous prime is 6373316977. The next prime is 6373317023. The reversal of 6373316991 is 1996133736.

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

It is not a de Polignac number, because 6373316991 - 2²⁹ = 5836446079 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 6373316991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6373316941) 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, 1062219496 + ... + 1062219501.

It is an arithmetic number, because the mean of its divisors is an integer number (2124438998).

Almost surely, 2^6373316991 is an apocalyptic number.

6373316991 is a deficient number, since it is larger than the sum of its proper divisors (2124439001).

6373316991 is a wasteful number, since it uses less digits than its factorization.

6373316991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124439000.

The product of its digits is 551124, while the sum is 48.

The square root of 6373316991 is about 79833.0570064807. The cubic root of 6373316991 is about 1854.0516984894.

The spelling of 6373316991 in words is "six billion, three hundred seventy-three million, three hundred sixteen thousand, nine hundred ninety-one".