1324243369 has 2 divisors, whose sum is σ = 1324243370. Its totient is φ = 1324243368.

The previous prime is 1324243309. The next prime is 1324243391. The reversal of 1324243369 is 9633424231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1238124969 + 86118400 = 35187^2 + 9280^2 .

It is a cyclic number.

It is not a de Polignac number, because 1324243369 - 2¹⁹ = 1323719081 is a prime.

It is a super-2 number, since 2×1324243369² = 3507241000680940322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1324243309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662121684 + 662121685.

It is an arithmetic number, because the mean of its divisors is an integer number (662121685).

Almost surely, 2^1324243369 is an apocalyptic number.

It is an amenable number.

1324243369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324243369 is an equidigital number, since it uses as much as digits as its factorization.

1324243369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 37.

The square root of 1324243369 is about 36390.1548361641. The cubic root of 1324243369 is about 1098.1355106401.

The spelling of 1324243369 in words is "one billion, three hundred twenty-four million, two hundred forty-three thousand, three hundred sixty-nine".