1327433893 has 2 divisors, whose sum is σ = 1327433894. Its totient is φ = 1327433892.

The previous prime is 1327433881. The next prime is 1327433953. The reversal of 1327433893 is 3983347231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1277562049 + 49871844 = 35743^2 + 7062^2 .

It is a cyclic number.

It is not a de Polignac number, because 1327433893 - 2⁹ = 1327433381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1327403893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663716946 + 663716947.

It is an arithmetic number, because the mean of its divisors is an integer number (663716947).

Almost surely, 2^1327433893 is an apocalyptic number.

It is an amenable number.

1327433893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327433893 is an equidigital number, since it uses as much as digits as its factorization.

1327433893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 43.

The square root of 1327433893 is about 36433.9661991390. The cubic root of 1327433893 is about 1099.0167226991.

The spelling of 1327433893 in words is "one billion, three hundred twenty-seven million, four hundred thirty-three thousand, eight hundred ninety-three".