4347920449 has 2 divisors, whose sum is σ = 4347920450. Its totient is φ = 4347920448.

The previous prime is 4347920429. The next prime is 4347920513. The reversal of 4347920449 is 9440297434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3810839824 + 537080625 = 61732^2 + 23175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4347920449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4347920399 and 4347920408.

It is not a weakly prime, because it can be changed into another prime (4347920429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2173960224 + 2173960225.

It is an arithmetic number, because the mean of its divisors is an integer number (2173960225).

Almost surely, 2^4347920449 is an apocalyptic number.

It is an amenable number.

4347920449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4347920449 is an equidigital number, since it uses as much as digits as its factorization.

4347920449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 46.

The square root of 4347920449 is about 65938.7628713187. The cubic root of 4347920449 is about 1632.1517305393.

The spelling of 4347920449 in words is "four billion, three hundred forty-seven million, nine hundred twenty thousand, four hundred forty-nine".