1324201649 has 2 divisors, whose sum is σ = 1324201650. Its totient is φ = 1324201648.

The previous prime is 1324201631. The next prime is 1324201657. The reversal of 1324201649 is 9461024231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 819390625 + 504811024 = 28625^2 + 22468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1324201649 - 2¹⁶ = 1324136113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1324207649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662100824 + 662100825.

It is an arithmetic number, because the mean of its divisors is an integer number (662100825).

Almost surely, 2^1324201649 is an apocalyptic number.

It is an amenable number.

1324201649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324201649 is an equidigital number, since it uses as much as digits as its factorization.

1324201649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1324201649 is about 36389.5815996832. The cubic root of 1324201649 is about 1098.1239783454.

The spelling of 1324201649 in words is "one billion, three hundred twenty-four million, two hundred one thousand, six hundred forty-nine".