2006354443 has 4 divisors (see below), whose sum is σ = 2006606088. Its totient is φ = 2006102800.

The previous prime is 2006354387. The next prime is 2006354447. The reversal of 2006354443 is 3444536002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3444536002 = 2 ⋅1722268001.

It is a cyclic number.

It is not a de Polignac number, because 2006354443 - 2²⁹ = 1469483531 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2006354447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113458 + ... + 129943.

It is an arithmetic number, because the mean of its divisors is an integer number (501651522).

Almost surely, 2^2006354443 is an apocalyptic number.

2006354443 is a deficient number, since it is larger than the sum of its proper divisors (251645).

2006354443 is an equidigital number, since it uses as much as digits as its factorization.

2006354443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251644.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 2006354443 is about 44792.3480407089. The cubic root of 2006354443 is about 1261.2539886255.

The spelling of 2006354443 in words is "two billion, six million, three hundred fifty-four thousand, four hundred forty-three".