16850472073 has 2 divisors, whose sum is σ = 16850472074. Its totient is φ = 16850472072.

The previous prime is 16850472071. The next prime is 16850472091. The reversal of 16850472073 is 37027405861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14269019209 + 2581452864 = 119453^2 + 50808^2 .

It is an emirp because it is prime and its reverse (37027405861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16850472073 - 2¹ = 16850472071 is a prime.

Together with 16850472071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16850472071) 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, 8425236036 + 8425236037.

It is an arithmetic number, because the mean of its divisors is an integer number (8425236037).

Almost surely, 2^16850472073 is an apocalyptic number.

It is an amenable number.

16850472073 is a deficient number, since it is larger than the sum of its proper divisors (1).

16850472073 is an equidigital number, since it uses as much as digits as its factorization.

16850472073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 16850472073 in words is "sixteen billion, eight hundred fifty million, four hundred seventy-two thousand, seventy-three".