6731768899 has 2 divisors, whose sum is σ = 6731768900. Its totient is φ = 6731768898.

The previous prime is 6731768881. The next prime is 6731768909. The reversal of 6731768899 is 9988671376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6731768899 - 2¹¹ = 6731766851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6731768899.

It is not a weakly prime, because it can be changed into another prime (6731768819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3365884449 + 3365884450.

It is an arithmetic number, because the mean of its divisors is an integer number (3365884450).

Almost surely, 2^6731768899 is an apocalyptic number.

6731768899 is a deficient number, since it is larger than the sum of its proper divisors (1).

6731768899 is an equidigital number, since it uses as much as digits as its factorization.

6731768899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27433728, while the sum is 64.

The square root of 6731768899 is about 82047.3576600734. The cubic root of 6731768899 is about 1888.1785779022.

The spelling of 6731768899 in words is "six billion, seven hundred thirty-one million, seven hundred sixty-eight thousand, eight hundred ninety-nine".