2042534149 has 2 divisors, whose sum is σ = 2042534150. Its totient is φ = 2042534148.

The previous prime is 2042534147. The next prime is 2042534171. The reversal of 2042534149 is 9414352402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1849602049 + 192932100 = 43007^2 + 13890^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042534149 - 2¹ = 2042534147 is a prime.

Together with 2042534147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042534147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021267074 + 1021267075.

It is an arithmetic number, because the mean of its divisors is an integer number (1021267075).

Almost surely, 2^2042534149 is an apocalyptic number.

It is an amenable number.

2042534149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042534149 is an equidigital number, since it uses as much as digits as its factorization.

2042534149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2042534149 is about 45194.4039566847. The cubic root of 2042534149 is about 1268.7900827315.

The spelling of 2042534149 in words is "two billion, forty-two million, five hundred thirty-four thousand, one hundred forty-nine".