2028199673 has 2 divisors, whose sum is σ = 2028199674. Its totient is φ = 2028199672.

The previous prime is 2028199573. The next prime is 2028199681. The reversal of 2028199673 is 3769918202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1095080464 + 933119209 = 33092^2 + 30547^2 .

It is a cyclic number.

It is not a de Polignac number, because 2028199673 - 2¹⁰ = 2028198649 is a prime.

It is a super-2 number, since 2×2028199673² = 8227187827114613858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2028199573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014099836 + 1014099837.

It is an arithmetic number, because the mean of its divisors is an integer number (1014099837).

Almost surely, 2^2028199673 is an apocalyptic number.

It is an amenable number.

2028199673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028199673 is an equidigital number, since it uses as much as digits as its factorization.

2028199673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 2028199673 is about 45035.5378895379. The cubic root of 2028199673 is about 1265.8149951319.

The spelling of 2028199673 in words is "two billion, twenty-eight million, one hundred ninety-nine thousand, six hundred seventy-three".