16448369219 has 2 divisors, whose sum is σ = 16448369220. Its totient is φ = 16448369218.

The previous prime is 16448369213. The next prime is 16448369237. The reversal of 16448369219 is 91296384461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16448369219 - 2¹² = 16448365123 is a prime.

It is a super-2 number, since 2×16448369219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16448369213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8224184609 + 8224184610.

It is an arithmetic number, because the mean of its divisors is an integer number (8224184610).

Almost surely, 2^16448369219 is an apocalyptic number.

16448369219 is a deficient number, since it is larger than the sum of its proper divisors (1).

16448369219 is an equidigital number, since it uses as much as digits as its factorization.

16448369219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 53.

The spelling of 16448369219 in words is "sixteen billion, four hundred forty-eight million, three hundred sixty-nine thousand, two hundred nineteen".