1684016273 has 2 divisors, whose sum is σ = 1684016274. Its totient is φ = 1684016272.

The previous prime is 1684016263. The next prime is 1684016309. The reversal of 1684016273 is 3726104861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1627961104 + 56055169 = 40348^2 + 7487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1684016273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1684016233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 842008136 + 842008137.

It is an arithmetic number, because the mean of its divisors is an integer number (842008137).

Almost surely, 2^1684016273 is an apocalyptic number.

It is an amenable number.

1684016273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1684016273 is an equidigital number, since it uses as much as digits as its factorization.

1684016273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1684016273 is about 41036.7673312604. The cubic root of 1684016273 is about 1189.7309546415.

The spelling of 1684016273 in words is "one billion, six hundred eighty-four million, sixteen thousand, two hundred seventy-three".