1329484665 has 16 divisors (see below), whose sum is σ = 2127699648. Its totient is φ = 708883776.

The previous prime is 1329484661. The next prime is 1329484669. The reversal of 1329484665 is 5664849231.

It is an interprime number because it is at equal distance from previous prime (1329484661) and next prime (1329484669).

It is not a de Polignac number, because 1329484665 - 2² = 1329484661 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1329484661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72579 + ... + 89031.

It is an arithmetic number, because the mean of its divisors is an integer number (132981228).

Almost surely, 2^1329484665 is an apocalyptic number.

1329484665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1329484665 is a deficient number, since it is larger than the sum of its proper divisors (798214983).

1329484665 is a wasteful number, since it uses less digits than its factorization.

1329484665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21848.

The product of its digits is 1244160, while the sum is 48.

The square root of 1329484665 is about 36462.0990207640. The cubic root of 1329484665 is about 1099.5823938208.

The spelling of 1329484665 in words is "one billion, three hundred twenty-nine million, four hundred eighty-four thousand, six hundred sixty-five".