2042110409 has 2 divisors, whose sum is σ = 2042110410. Its totient is φ = 2042110408.

The previous prime is 2042110403. The next prime is 2042110417. The reversal of 2042110409 is 9040112402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1162810000 + 879300409 = 34100^2 + 29653^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042110409 - 2⁴ = 2042110393 is a prime.

It is a super-2 number, since 2×2042110409² = 8340429845092294562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2042110403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021055204 + 1021055205.

It is an arithmetic number, because the mean of its divisors is an integer number (1021055205).

Almost surely, 2^2042110409 is an apocalyptic number.

It is an amenable number.

2042110409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042110409 is an equidigital number, since it uses as much as digits as its factorization.

2042110409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2042110409 is about 45189.7157437397. The cubic root of 2042110409 is about 1268.7023364559.

The spelling of 2042110409 in words is "two billion, forty-two million, one hundred ten thousand, four hundred nine".