1329914844 has 18 divisors (see below), whose sum is σ = 3361729280. Its totient is φ = 443304936.

The previous prime is 1329914843. The next prime is 1329914851. The reversal of 1329914844 is 4484199231.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1329914844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329914843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18471004 + ... + 18471075.

Almost surely, 2^1329914844 is an apocalyptic number.

It is an amenable number.

1329914844 is an abundant number, since it is smaller than the sum of its proper divisors (2031814436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1329914844 is a wasteful number, since it uses less digits than its factorization.

1329914844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36942089 (or 36942084 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 1329914844 is about 36467.9975320828. The cubic root of 1329914844 is about 1099.7009776748.

The spelling of 1329914844 in words is "one billion, three hundred twenty-nine million, nine hundred fourteen thousand, eight hundred forty-four".