3768967780663 has 2 divisors, whose sum is σ = 3768967780664. Its totient is φ = 3768967780662.

The previous prime is 3768967780661. The next prime is 3768967780673. The reversal of 3768967780663 is 3660877698673.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3768967780663 - 2¹ = 3768967780661 is a prime.

Together with 3768967780661, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3768967780663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3768967780661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1884483890331 + 1884483890332.

It is an arithmetic number, because the mean of its divisors is an integer number (1884483890332).

Almost surely, 2^{3768967780663} is an apocalyptic number.

3768967780663 is a deficient number, since it is larger than the sum of its proper divisors (1).

3768967780663 is an equidigital number, since it uses as much as digits as its factorization.

3768967780663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304433152, while the sum is 76.

The spelling of 3768967780663 in words is "three trillion, seven hundred sixty-eight billion, nine hundred sixty-seven million, seven hundred eighty thousand, six hundred sixty-three".