1601828443 has 2 divisors, whose sum is σ = 1601828444. Its totient is φ = 1601828442.

The previous prime is 1601828377. The next prime is 1601828489. The reversal of 1601828443 is 3448281061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1601828443 - 2¹⁷ = 1601697371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1601828143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800914221 + 800914222.

It is an arithmetic number, because the mean of its divisors is an integer number (800914222).

Almost surely, 2^1601828443 is an apocalyptic number.

1601828443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601828443 is an equidigital number, since it uses as much as digits as its factorization.

1601828443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 1601828443 is about 40022.8490115334. The cubic root of 1601828443 is about 1170.0524589915.

The spelling of 1601828443 in words is "one billion, six hundred one million, eight hundred twenty-eight thousand, four hundred forty-three".