1324433641 has 2 divisors, whose sum is σ = 1324433642. Its totient is φ = 1324433640.

The previous prime is 1324433609. The next prime is 1324433687. The reversal of 1324433641 is 1463344231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 718240000 + 606193641 = 26800^2 + 24621^2 .

It is a cyclic number.

It is not a de Polignac number, because 1324433641 - 2⁵ = 1324433609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1324434641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662216820 + 662216821.

It is an arithmetic number, because the mean of its divisors is an integer number (662216821).

Almost surely, 2^1324433641 is an apocalyptic number.

It is an amenable number.

1324433641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324433641 is an equidigital number, since it uses as much as digits as its factorization.

1324433641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 31.

The square root of 1324433641 is about 36392.7690757381. The cubic root of 1324433641 is about 1098.1881027941.

Adding to 1324433641 its reverse (1463344231), we get a palindrome (2787777872).

The spelling of 1324433641 in words is "one billion, three hundred twenty-four million, four hundred thirty-three thousand, six hundred forty-one".