1329803873859 has 16 divisors (see below), whose sum is σ = 1860498028800. Its totient is φ = 843253489056.

The previous prime is 1329803873857. The next prime is 1329803873869. The reversal of 1329803873859 is 9583783089231.

It is not a de Polignac number, because 1329803873859 - 2¹ = 1329803873857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1329803873859.

It is not an unprimeable number, because it can be changed into a prime (1329803873857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53821504 + ... + 53846205.

It is an arithmetic number, because the mean of its divisors is an integer number (116281126800).

Almost surely, 2^{1329803873859} is an apocalyptic number.

1329803873859 is a deficient number, since it is larger than the sum of its proper divisors (530694154941).

1329803873859 is a wasteful number, since it uses less digits than its factorization.

1329803873859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107667914.

The product of its (nonzero) digits is 78382080, while the sum is 66.

The spelling of 1329803873859 in words is "one trillion, three hundred twenty-nine billion, eight hundred three million, eight hundred seventy-three thousand, eight hundred fifty-nine".