16820229983 has 2 divisors, whose sum is σ = 16820229984. Its totient is φ = 16820229982.

The previous prime is 16820229971. The next prime is 16820230019. The reversal of 16820229983 is 38992202861.

It is a weak prime.

It is an emirp because it is prime and its reverse (38992202861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16820229983 - 2⁴ = 16820229967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16820222983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8410114991 + 8410114992.

It is an arithmetic number, because the mean of its divisors is an integer number (8410114992).

Almost surely, 2^16820229983 is an apocalyptic number.

16820229983 is a deficient number, since it is larger than the sum of its proper divisors (1).

16820229983 is an equidigital number, since it uses as much as digits as its factorization.

16820229983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 16820229983 in words is "sixteen billion, eight hundred twenty million, two hundred twenty-nine thousand, nine hundred eighty-three".