1329164929 has 4 divisors (see below), whose sum is σ = 1350954580. Its totient is φ = 1307375280.

The previous prime is 1329164927. The next prime is 1329164951. The reversal of 1329164929 is 9294619231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 622402704 + 706762225 = 24948^2 + 26585^2 .

It is a cyclic number.

It is not a de Polignac number, because 1329164929 - 2¹ = 1329164927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1329164927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10894734 + ... + 10894855.

It is an arithmetic number, because the mean of its divisors is an integer number (337738645).

Almost surely, 2^1329164929 is an apocalyptic number.

It is an amenable number.

1329164929 is a deficient number, since it is larger than the sum of its proper divisors (21789651).

1329164929 is an equidigital number, since it uses as much as digits as its factorization.

1329164929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21789650.

The product of its digits is 209952, while the sum is 46.

The square root of 1329164929 is about 36457.7142591249. The cubic root of 1329164929 is about 1099.4942382937.

The spelling of 1329164929 in words is "one billion, three hundred twenty-nine million, one hundred sixty-four thousand, nine hundred twenty-nine".