4342272449 has 2 divisors, whose sum is σ = 4342272450. Its totient is φ = 4342272448.

The previous prime is 4342272439. The next prime is 4342272499. The reversal of 4342272449 is 9442722434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2601714049 + 1740558400 = 51007^2 + 41720^2 .

It is a cyclic number.

It is not a de Polignac number, because 4342272449 - 2⁴ = 4342272433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4342272409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2171136224 + 2171136225.

It is an arithmetic number, because the mean of its divisors is an integer number (2171136225).

Almost surely, 2^4342272449 is an apocalyptic number.

It is an amenable number.

4342272449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4342272449 is an equidigital number, since it uses as much as digits as its factorization.

4342272449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 41.

The square root of 4342272449 is about 65895.9213381223. The cubic root of 4342272449 is about 1631.4446961792. Note that the first 3 decimals are identical.

The spelling of 4342272449 in words is "four billion, three hundred forty-two million, two hundred seventy-two thousand, four hundred forty-nine".