324421913 has 4 divisors (see below), whose sum is σ = 334887168. Its totient is φ = 313956660.

The previous prime is 324421907. The next prime is 324421919. The reversal of 324421913 is 319124423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 319124423 = 109 ⋅2927747.

It is an interprime number because it is at equal distance from previous prime (324421907) and next prime (324421919).

It is a cyclic number.

It is not a de Polignac number, because 324421913 - 2⁶ = 324421849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324421919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5232581 + ... + 5232642.

It is an arithmetic number, because the mean of its divisors is an integer number (83721792).

Almost surely, 2^324421913 is an apocalyptic number.

It is an amenable number.

324421913 is a deficient number, since it is larger than the sum of its proper divisors (10465255).

324421913 is a wasteful number, since it uses less digits than its factorization.

324421913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10465254.

The product of its digits is 5184, while the sum is 29.

The square root of 324421913 is about 18011.7159926532. The cubic root of 324421913 is about 687.1265457360.

The spelling of 324421913 in words is "three hundred twenty-four million, four hundred twenty-one thousand, nine hundred thirteen".