1329484691 has 8 divisors (see below), whose sum is σ = 1353277968. Its totient is φ = 1305756000.

The previous prime is 1329484679. The next prime is 1329484697. The reversal of 1329484691 is 1964849231.

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

It is a cyclic number.

It is not a de Polignac number, because 1329484691 - 2⁶ = 1329484627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1329484697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26381 + ... + 57921.

It is an arithmetic number, because the mean of its divisors is an integer number (169159746).

Almost surely, 2^1329484691 is an apocalyptic number.

1329484691 is a deficient number, since it is larger than the sum of its proper divisors (23793277).

1329484691 is an equidigital number, since it uses as much as digits as its factorization.

1329484691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32293.

The product of its digits is 373248, while the sum is 47.

The square root of 1329484691 is about 36462.0993772986. The cubic root of 1329484691 is about 1099.5824009888.

The spelling of 1329484691 in words is "one billion, three hundred twenty-nine million, four hundred eighty-four thousand, six hundred ninety-one".