6380022221987 has 2 divisors, whose sum is σ = 6380022221988. Its totient is φ = 6380022221986.

The previous prime is 6380022221953. The next prime is 6380022222017. The reversal of 6380022221987 is 7891222200836.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6380022221987 is a prime.

It is not a weakly prime, because it can be changed into another prime (6380022220987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190011110993 + 3190011110994.

It is an arithmetic number, because the mean of its divisors is an integer number (3190011110994).

Almost surely, 2^{6380022221987} is an apocalyptic number.

6380022221987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6380022221987 is an equidigital number, since it uses as much as digits as its factorization.

6380022221987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 6380022221987 in words is "six trillion, three hundred eighty billion, twenty-two million, two hundred twenty-one thousand, nine hundred eighty-seven".