2042017843 has 2 divisors, whose sum is σ = 2042017844. Its totient is φ = 2042017842.

The previous prime is 2042017829. The next prime is 2042017877. The reversal of 2042017843 is 3487102402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2042017843 - 2⁵ = 2042017811 is a prime.

It is a super-2 number, since 2×2042017843² = 8339673742260745298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2042011843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021008921 + 1021008922.

It is an arithmetic number, because the mean of its divisors is an integer number (1021008922).

Almost surely, 2^2042017843 is an apocalyptic number.

2042017843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042017843 is an equidigital number, since it uses as much as digits as its factorization.

2042017843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2042017843 is about 45188.6915389238. The cubic root of 2042017843 is about 1268.6831666673.

The spelling of 2042017843 in words is "two billion, forty-two million, seventeen thousand, eight hundred forty-three".