1329384701 has 2 divisors, whose sum is σ = 1329384702. Its totient is φ = 1329384700.

The previous prime is 1329384673. The next prime is 1329384703. The reversal of 1329384701 is 1074839231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1221432601 + 107952100 = 34949^2 + 10390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1329384701 - 2¹⁴ = 1329368317 is a prime.

It is a Sophie Germain prime.

Together with 1329384703, it forms a pair of twin primes.

It is a Chen 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 (1329384703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664692350 + 664692351.

It is an arithmetic number, because the mean of its divisors is an integer number (664692351).

Almost surely, 2^1329384701 is an apocalyptic number.

It is an amenable number.

1329384701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1329384701 is an equidigital number, since it uses as much as digits as its factorization.

1329384701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1329384701 is about 36460.7282017241. The cubic root of 1329384701 is about 1099.5548339168.

The spelling of 1329384701 in words is "one billion, three hundred twenty-nine million, three hundred eighty-four thousand, seven hundred one".