4242543769 has 2 divisors, whose sum is σ = 4242543770. Its totient is φ = 4242543768.

The previous prime is 4242543751. The next prime is 4242543779. The reversal of 4242543769 is 9673452424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3415233600 + 827310169 = 58440^2 + 28763^2 .

It is a cyclic number.

It is not a de Polignac number, because 4242543769 - 2⁵ = 4242543737 is a prime.

It is a super-2 number, since 2×4242543769² = 35998355263761450722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4242543779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121271884 + 2121271885.

It is an arithmetic number, because the mean of its divisors is an integer number (2121271885).

Almost surely, 2^4242543769 is an apocalyptic number.

It is an amenable number.

4242543769 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242543769 is an equidigital number, since it uses as much as digits as its factorization.

4242543769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 46.

The square root of 4242543769 is about 65134.8122665599. The cubic root of 4242543769 is about 1618.8580797054.

The spelling of 4242543769 in words is "four billion, two hundred forty-two million, five hundred forty-three thousand, seven hundred sixty-nine".