6693872371 has 2 divisors, whose sum is σ = 6693872372. Its totient is φ = 6693872370.

The previous prime is 6693872363. The next prime is 6693872389. The reversal of 6693872371 is 1732783966.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6693872371 - 2³ = 6693872363 is a prime.

It is not a weakly prime, because it can be changed into another prime (6693873371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3346936185 + 3346936186.

It is an arithmetic number, because the mean of its divisors is an integer number (3346936186).

Almost surely, 2^6693872371 is an apocalyptic number.

6693872371 is a deficient number, since it is larger than the sum of its proper divisors (1).

6693872371 is an equidigital number, since it uses as much as digits as its factorization.

6693872371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 52.

The square root of 6693872371 is about 81816.0887050952. The cubic root of 6693872371 is about 1884.6287378922.

The spelling of 6693872371 in words is "six billion, six hundred ninety-three million, eight hundred seventy-two thousand, three hundred seventy-one".