4248623303209 has 2 divisors, whose sum is σ = 4248623303210. Its totient is φ = 4248623303208.

The previous prime is 4248623303027. The next prime is 4248623303213. The reversal of 4248623303209 is 9023033268424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3515550000400 + 733073302809 = 1874980^2 + 856197^2 .

It is a cyclic number.

It is not a de Polignac number, because 4248623303209 - 2²³ = 4248614914601 is a prime.

It is not a weakly prime, because it can be changed into another prime (4248623303269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124311651604 + 2124311651605.

It is an arithmetic number, because the mean of its divisors is an integer number (2124311651605).

Almost surely, 2^{4248623303209} is an apocalyptic number.

It is an amenable number.

4248623303209 is a deficient number, since it is larger than the sum of its proper divisors (1).

4248623303209 is an equidigital number, since it uses as much as digits as its factorization.

4248623303209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 4248623303209 in words is "four trillion, two hundred forty-eight billion, six hundred twenty-three million, three hundred three thousand, two hundred nine".