1329358801 has 2 divisors, whose sum is σ = 1329358802. Its totient is φ = 1329358800.

The previous prime is 1329358783. The next prime is 1329358831. The reversal of 1329358801 is 1088539231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1258546576 + 70812225 = 35476^2 + 8415^2 .

It is a cyclic number.

It is not a de Polignac number, because 1329358801 - 2¹⁹ = 1328834513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1329358831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664679400 + 664679401.

It is an arithmetic number, because the mean of its divisors is an integer number (664679401).

Almost surely, 2^1329358801 is an apocalyptic number.

It is an amenable number.

1329358801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1329358801 is an equidigital number, since it uses as much as digits as its factorization.

1329358801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1329358801 is about 36460.3730233249. The cubic root of 1329358801 is about 1099.5476931056.

The spelling of 1329358801 in words is "one billion, three hundred twenty-nine million, three hundred fifty-eight thousand, eight hundred one".