2010445643 has 2 divisors, whose sum is σ = 2010445644. Its totient is φ = 2010445642.

The previous prime is 2010445631. The next prime is 2010445669. The reversal of 2010445643 is 3465440102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2010445643 is a prime.

It is not a weakly prime, because it can be changed into another prime (2010445673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005222821 + 1005222822.

It is an arithmetic number, because the mean of its divisors is an integer number (1005222822).

Almost surely, 2^2010445643 is an apocalyptic number.

2010445643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010445643 is an equidigital number, since it uses as much as digits as its factorization.

2010445643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2010445643 is about 44837.9932980949. The cubic root of 2010445643 is about 1262.1106898574.

Adding to 2010445643 its reverse (3465440102), we get a palindrome (5475885745).

The spelling of 2010445643 in words is "two billion, ten million, four hundred forty-five thousand, six hundred forty-three".