1324318493 has 2 divisors, whose sum is σ = 1324318494. Its totient is φ = 1324318492.

The previous prime is 1324318459. The next prime is 1324318507. The reversal of 1324318493 is 3948134231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1104033529 + 220284964 = 33227^2 + 14842^2 .

It is a cyclic number.

It is not a de Polignac number, because 1324318493 - 2¹⁰ = 1324317469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1324318453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662159246 + 662159247.

It is an arithmetic number, because the mean of its divisors is an integer number (662159247).

Almost surely, 2^1324318493 is an apocalyptic number.

It is an amenable number.

1324318493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324318493 is an equidigital number, since it uses as much as digits as its factorization.

1324318493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 1324318493 is about 36391.1870237837. The cubic root of 1324318493 is about 1098.1562758998.

The spelling of 1324318493 in words is "one billion, three hundred twenty-four million, three hundred eighteen thousand, four hundred ninety-three".