2042531879 has 2 divisors, whose sum is σ = 2042531880. Its totient is φ = 2042531878.

The previous prime is 2042531801. The next prime is 2042531987. The reversal of 2042531879 is 9781352402.

Together with next prime (2042531987) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042531879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042533879) 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, 1021265939 + 1021265940.

It is an arithmetic number, because the mean of its divisors is an integer number (1021265940).

Almost surely, 2^2042531879 is an apocalyptic number.

2042531879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042531879 is an equidigital number, since it uses as much as digits as its factorization.

2042531879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 2042531879 is about 45194.3788429490. The cubic root of 2042531879 is about 1268.7896127019.

The spelling of 2042531879 in words is "two billion, forty-two million, five hundred thirty-one thousand, eight hundred seventy-nine".