1328343853 has 2 divisors, whose sum is σ = 1328343854. Its totient is φ = 1328343852.

The previous prime is 1328343839. The next prime is 1328343857. The reversal of 1328343853 is 3583438231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1182465769 + 145878084 = 34387^2 + 12078^2 .

It is a cyclic number.

It is not a de Polignac number, because 1328343853 - 2²⁵ = 1294789421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1328343857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664171926 + 664171927.

It is an arithmetic number, because the mean of its divisors is an integer number (664171927).

Almost surely, 2^1328343853 is an apocalyptic number.

It is an amenable number.

1328343853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328343853 is an equidigital number, since it uses as much as digits as its factorization.

1328343853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 40.

The square root of 1328343853 is about 36446.4518574854. The cubic root of 1328343853 is about 1099.2677917816.

The spelling of 1328343853 in words is "one billion, three hundred twenty-eight million, three hundred forty-three thousand, eight hundred fifty-three".