324629993 has 2 divisors, whose sum is σ = 324629994. Its totient is φ = 324629992.

The previous prime is 324629989. The next prime is 324630017. The reversal of 324629993 is 399926423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198584464 + 126045529 = 14092^2 + 11227^2 .

It is a cyclic number.

It is not a de Polignac number, because 324629993 - 2² = 324629989 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (324629933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162314996 + 162314997.

It is an arithmetic number, because the mean of its divisors is an integer number (162314997).

Almost surely, 2^324629993 is an apocalyptic number.

It is an amenable number.

324629993 is a deficient number, since it is larger than the sum of its proper divisors (1).

324629993 is an equidigital number, since it uses as much as digits as its factorization.

324629993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 47.

The square root of 324629993 is about 18017.4913070605. The cubic root of 324629993 is about 687.2734190193.

The spelling of 324629993 in words is "three hundred twenty-four million, six hundred twenty-nine thousand, nine hundred ninety-three".