2013365443 has 2 divisors, whose sum is σ = 2013365444. Its totient is φ = 2013365442.

The previous prime is 2013365429. The next prime is 2013365447. The reversal of 2013365443 is 3445633102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2013365443 - 2⁹ = 2013364931 is a prime.

It is not a weakly prime, because it can be changed into another prime (2013365447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006682721 + 1006682722.

It is an arithmetic number, because the mean of its divisors is an integer number (1006682722).

Almost surely, 2^2013365443 is an apocalyptic number.

2013365443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013365443 is an equidigital number, since it uses as much as digits as its factorization.

2013365443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 2013365443 is about 44870.5409260909. The cubic root of 2013365443 is about 1262.7213883299.

Adding to 2013365443 its reverse (3445633102), we get a palindrome (5458998545).

The spelling of 2013365443 in words is "two billion, thirteen million, three hundred sixty-five thousand, four hundred forty-three".