1329604745 has 8 divisors (see below), whose sum is σ = 1823457984. Its totient is φ = 911728944.

The previous prime is 1329604729. The next prime is 1329604747. The reversal of 1329604745 is 5474069231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1329604745 - 2⁴ = 1329604729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1329604747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18994319 + ... + 18994388.

It is an arithmetic number, because the mean of its divisors is an integer number (227932248).

Almost surely, 2^1329604745 is an apocalyptic number.

It is an amenable number.

1329604745 is a deficient number, since it is larger than the sum of its proper divisors (493853239).

1329604745 is an equidigital number, since it uses as much as digits as its factorization.

1329604745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37988719.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 1329604745 is about 36463.7456249355. The cubic root of 1329604745 is about 1099.6154978453.

The spelling of 1329604745 in words is "one billion, three hundred twenty-nine million, six hundred four thousand, seven hundred forty-five".