1329466986 has 16 divisors (see below), whose sum is σ = 2954371200. Its totient is φ = 443155644.

The previous prime is 1329466969. The next prime is 1329467003. The reversal of 1329466986 is 6896649231.

It is an interprime number because it is at equal distance from previous prime (1329466969) and next prime (1329467003).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 24619759 = 1329466986 / (1 + 3 + 2 + 9 + 4 + 6 + 6 + 9 + 8 + 6).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12309826 + ... + 12309933.

It is an arithmetic number, because the mean of its divisors is an integer number (184648200).

Almost surely, 2^1329466986 is an apocalyptic number.

1329466986 is an abundant number, since it is smaller than the sum of its proper divisors (1624904214).

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

1329466986 is a wasteful number, since it uses less digits than its factorization.

1329466986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24619770 (or 24619764 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 1329466986 is about 36461.8565901409. The cubic root of 1329466986 is about 1099.5775198513.

The spelling of 1329466986 in words is "one billion, three hundred twenty-nine million, four hundred sixty-six thousand, nine hundred eighty-six".