16619872273 has 2 divisors, whose sum is σ = 16619872274. Its totient is φ = 16619872272.

The previous prime is 16619872271. The next prime is 16619872277. The reversal of 16619872273 is 37227891661.

16619872273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10603232784 + 6016639489 = 102972^2 + 77567^2 .

It is a cyclic number.

It is not a de Polignac number, because 16619872273 - 2¹ = 16619872271 is a prime.

Together with 16619872271, 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 16619872273.

It is not a weakly prime, because it can be changed into another prime (16619872271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8309936136 + 8309936137.

It is an arithmetic number, because the mean of its divisors is an integer number (8309936137).

Almost surely, 2^16619872273 is an apocalyptic number.

It is an amenable number.

16619872273 is a deficient number, since it is larger than the sum of its proper divisors (1).

16619872273 is an equidigital number, since it uses as much as digits as its factorization.

16619872273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 52.

The spelling of 16619872273 in words is "sixteen billion, six hundred nineteen million, eight hundred seventy-two thousand, two hundred seventy-three".