1324013643 has 6 divisors (see below), whose sum is σ = 1912464164. Its totient is φ = 882675756.

The previous prime is 1324013633. The next prime is 1324013657. The reversal of 1324013643 is 3463104231.

1324013643 is a `hidden beast` number, since 1 + 3 + 2 + 4 + 0 + 13 + 643 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1324013643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1324013623) 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 in 5 ways as a sum of consecutive naturals, for example, 73556305 + ... + 73556322.

Almost surely, 2^1324013643 is an apocalyptic number.

1324013643 is a deficient number, since it is larger than the sum of its proper divisors (588450521).

1324013643 is a wasteful number, since it uses less digits than its factorization.

1324013643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147112633 (or 147112630 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1324013643 is about 36386.9982686124. The cubic root of 1324013643 is about 1098.0720064854.

Adding to 1324013643 its reverse (3463104231), we get a palindrome (4787117874).

The spelling of 1324013643 in words is "one billion, three hundred twenty-four million, thirteen thousand, six hundred forty-three".