6381216873763 has 2 divisors, whose sum is σ = 6381216873764. Its totient is φ = 6381216873762.

The previous prime is 6381216873751. The next prime is 6381216873797. The reversal of 6381216873763 is 3673786121836.

It is a happy number.

6381216873763 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6381216873763 is a prime.

It is not a weakly prime, because it can be changed into another prime (6381216876763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190608436881 + 3190608436882.

It is an arithmetic number, because the mean of its divisors is an integer number (3190608436882).

Almost surely, 2^{6381216873763} is an apocalyptic number.

6381216873763 is a deficient number, since it is larger than the sum of its proper divisors (1).

6381216873763 is an equidigital number, since it uses as much as digits as its factorization.

6381216873763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36578304, while the sum is 61.

The spelling of 6381216873763 in words is "six trillion, three hundred eighty-one billion, two hundred sixteen million, eight hundred seventy-three thousand, seven hundred sixty-three".