2042442133 has 2 divisors, whose sum is σ = 2042442134. Its totient is φ = 2042442132.

The previous prime is 2042442071. The next prime is 2042442163. The reversal of 2042442133 is 3312442402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2023020484 + 19421649 = 44978^2 + 4407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042442133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2042442098 and 2042442107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042442163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021221066 + 1021221067.

It is an arithmetic number, because the mean of its divisors is an integer number (1021221067).

Almost surely, 2^2042442133 is an apocalyptic number.

It is an amenable number.

2042442133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042442133 is an equidigital number, since it uses as much as digits as its factorization.

2042442133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2042442133 is about 45193.3859430780. The cubic root of 2042442133 is about 1268.7710294815.

Adding to 2042442133 its reverse (3312442402), we get a palindrome (5354884535).

The spelling of 2042442133 in words is "two billion, forty-two million, four hundred forty-two thousand, one hundred thirty-three".