4203220241309 has 2 divisors, whose sum is σ = 4203220241310. Its totient is φ = 4203220241308.

The previous prime is 4203220241303. The next prime is 4203220241359. The reversal of 4203220241309 is 9031420223024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2308682719225 + 1894537522084 = 1519435^2 + 1376422^2 .

It is a cyclic number.

It is not a de Polignac number, because 4203220241309 - 2¹² = 4203220237213 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4203220241303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101610120654 + 2101610120655.

It is an arithmetic number, because the mean of its divisors is an integer number (2101610120655).

Almost surely, 2^{4203220241309} is an apocalyptic number.

It is an amenable number.

4203220241309 is a deficient number, since it is larger than the sum of its proper divisors (1).

4203220241309 is an equidigital number, since it uses as much as digits as its factorization.

4203220241309 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 spelling of 4203220241309 in words is "four trillion, two hundred three billion, two hundred twenty million, two hundred forty-one thousand, three hundred nine".