4042245019 has 2 divisors, whose sum is σ = 4042245020. Its totient is φ = 4042245018.

The previous prime is 4042244959. The next prime is 4042245043. The reversal of 4042245019 is 9105422404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4042245019 - 2⁷ = 4042244891 is a prime.

It is a super-2 number, since 2×4042245019² = 32679489587260620722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4042245089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021122509 + 2021122510.

It is an arithmetic number, because the mean of its divisors is an integer number (2021122510).

Almost surely, 2^4042245019 is an apocalyptic number.

4042245019 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042245019 is an equidigital number, since it uses as much as digits as its factorization.

4042245019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 4042245019 is about 63578.6522269857. The cubic root of 4042245019 is about 1592.9698090167.

The spelling of 4042245019 in words is "four billion, forty-two million, two hundred forty-five thousand, nineteen".