2042402213 has 2 divisors, whose sum is σ = 2042402214. Its totient is φ = 2042402212.

The previous prime is 2042402149. The next prime is 2042402239. The reversal of 2042402213 is 3122042402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1316746369 + 725655844 = 36287^2 + 26938^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042402213 - 2⁶ = 2042402149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042402113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021201106 + 1021201107.

It is an arithmetic number, because the mean of its divisors is an integer number (1021201107).

Almost surely, 2^2042402213 is an apocalyptic number.

It is an amenable number.

2042402213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042402213 is an equidigital number, since it uses as much as digits as its factorization.

2042402213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2042402213 is about 45192.9442833724. The cubic root of 2042402213 is about 1268.7627632874.

Adding to 2042402213 its reverse (3122042402), we get a palindrome (5164444615).

The spelling of 2042402213 in words is "two billion, forty-two million, four hundred two thousand, two hundred thirteen".