16309317019 has 2 divisors, whose sum is σ = 16309317020. Its totient is φ = 16309317018.

The previous prime is 16309317001. The next prime is 16309317053. The reversal of 16309317019 is 91071390361.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16309317019 is a prime.

It is a super-2 number, since 2×16309317019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16309017019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8154658509 + 8154658510.

It is an arithmetic number, because the mean of its divisors is an integer number (8154658510).

Almost surely, 2^16309317019 is an apocalyptic number.

16309317019 is a deficient number, since it is larger than the sum of its proper divisors (1).

16309317019 is an equidigital number, since it uses as much as digits as its factorization.

16309317019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 40.

The spelling of 16309317019 in words is "sixteen billion, three hundred nine million, three hundred seventeen thousand, nineteen".