4242442249 has 2 divisors, whose sum is σ = 4242442250. Its totient is φ = 4242442248.

The previous prime is 4242442247. The next prime is 4242442289. The reversal of 4242442249 is 9422442424.

4242442249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4064700025 + 177742224 = 63755^2 + 13332^2 .

It is a cyclic number.

It is not a de Polignac number, because 4242442249 - 2¹ = 4242442247 is a prime.

It is a super-2 number, since 2×4242442249² = 35996632472200356002, which contains 22 as substring.

Together with 4242442247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4242442247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121221124 + 2121221125.

It is an arithmetic number, because the mean of its divisors is an integer number (2121221125).

Almost surely, 2^4242442249 is an apocalyptic number.

It is an amenable number.

4242442249 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242442249 is an equidigital number, since it uses as much as digits as its factorization.

4242442249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 37.

The square root of 4242442249 is about 65134.0329551303. The cubic root of 4242442249 is about 1618.8451670291.

The spelling of 4242442249 in words is "four billion, two hundred forty-two million, four hundred forty-two thousand, two hundred forty-nine".