4313220449 has 2 divisors, whose sum is σ = 4313220450. Its totient is φ = 4313220448.

The previous prime is 4313220427. The next prime is 4313220469. The reversal of 4313220449 is 9440223134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4296147025 + 17073424 = 65545^2 + 4132^2 .

It is a cyclic number.

It is not a de Polignac number, because 4313220449 - 2³² = 18253153 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 (4313220469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156610224 + 2156610225.

It is an arithmetic number, because the mean of its divisors is an integer number (2156610225).

Almost surely, 2^4313220449 is an apocalyptic number.

It is an amenable number.

4313220449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4313220449 is an equidigital number, since it uses as much as digits as its factorization.

4313220449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 4313220449 is about 65675.1128586773. The cubic root of 4313220449 is about 1627.7981547865.

The spelling of 4313220449 in words is "four billion, three hundred thirteen million, two hundred twenty thousand, four hundred forty-nine".