1326936893 has 2 divisors, whose sum is σ = 1326936894. Its totient is φ = 1326936892.

The previous prime is 1326936881. The next prime is 1326936911. The reversal of 1326936893 is 3986396231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1323649924 + 3286969 = 36382^2 + 1813^2 .

It is a cyclic number.

It is not a de Polignac number, because 1326936893 - 2¹² = 1326932797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1326936823) 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, 663468446 + 663468447.

It is an arithmetic number, because the mean of its divisors is an integer number (663468447).

Almost surely, 2^1326936893 is an apocalyptic number.

It is an amenable number.

1326936893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326936893 is an equidigital number, since it uses as much as digits as its factorization.

1326936893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 50.

The square root of 1326936893 is about 36427.1450020448. The cubic root of 1326936893 is about 1098.8795458758.

The spelling of 1326936893 in words is "one billion, three hundred twenty-six million, nine hundred thirty-six thousand, eight hundred ninety-three".