4042208969 has 2 divisors, whose sum is σ = 4042208970. Its totient is φ = 4042208968.

The previous prime is 4042208957. The next prime is 4042208977. The reversal of 4042208969 is 9698022404.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2831516944 + 1210692025 = 53212^2 + 34795^2 .

It is a cyclic number.

It is not a de Polignac number, because 4042208969 - 2⁴ = 4042208953 is a prime.

It is a super-2 number, since 2×4042208969² = 32678906698128085922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4042208939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021104484 + 2021104485.

It is an arithmetic number, because the mean of its divisors is an integer number (2021104485).

Almost surely, 2^4042208969 is an apocalyptic number.

It is an amenable number.

4042208969 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042208969 is an equidigital number, since it uses as much as digits as its factorization.

4042208969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 4042208969 is about 63578.3687192429. The cubic root of 4042208969 is about 1592.9650734690.

The spelling of 4042208969 in words is "four billion, forty-two million, two hundred eight thousand, nine hundred sixty-nine".