4399366073 has 2 divisors, whose sum is σ = 4399366074. Its totient is φ = 4399366072.

The previous prime is 4399366061. The next prime is 4399366079. The reversal of 4399366073 is 3706639934.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2377245049 + 2022121024 = 48757^2 + 44968^2 .

It is a cyclic number.

It is not a de Polignac number, because 4399366073 - 2¹⁰ = 4399365049 is a prime.

It is not a weakly prime, because it can be changed into another prime (4399366079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2199683036 + 2199683037.

It is an arithmetic number, because the mean of its divisors is an integer number (2199683037).

Almost surely, 2^4399366073 is an apocalyptic number.

It is an amenable number.

4399366073 is a deficient number, since it is larger than the sum of its proper divisors (1).

4399366073 is an equidigital number, since it uses as much as digits as its factorization.

4399366073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2204496, while the sum is 50.

The square root of 4399366073 is about 66327.7172304309. The cubic root of 4399366073 is about 1638.5638419860.

The spelling of 4399366073 in words is "four billion, three hundred ninety-nine million, three hundred sixty-six thousand, seventy-three".