1329484709 has 24 divisors (see below), whose sum is σ = 1616866560. Its totient is φ = 1087932384.

The previous prime is 1329484697. The next prime is 1329484763. The reversal of 1329484709 is 9074849231.

It is a de Polignac number, because none of the positive numbers 2^k-1329484709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329484769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 933572 + ... + 934994.

It is an arithmetic number, because the mean of its divisors is an integer number (67369440).

Almost surely, 2^1329484709 is an apocalyptic number.

It is an amenable number.

1329484709 is a deficient number, since it is larger than the sum of its proper divisors (287381851).

1329484709 is a wasteful number, since it uses less digits than its factorization.

1329484709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289 (or 2282 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 1329484709 is about 36462.0996241303. The cubic root of 1329484709 is about 1099.5824059512.

The spelling of 1329484709 in words is "one billion, three hundred twenty-nine million, four hundred eighty-four thousand, seven hundred nine".