1329329474 has 12 divisors (see below), whose sum is σ = 2191746102. Its totient is φ = 604240560.

The previous prime is 1329329453. The next prime is 1329329503. The reversal of 1329329474 is 4749239231.

It can be written as a sum of positive squares in only one way, i.e., 802305625 + 527023849 = 28325^2 + 22957^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2746307 + ... + 2746790.

Almost surely, 2^1329329474 is an apocalyptic number.

1329329474 is a deficient number, since it is larger than the sum of its proper divisors (862416628).

1329329474 is a wasteful number, since it uses less digits than its factorization.

1329329474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5493121 (or 5493110 counting only the distinct ones).

The product of its digits is 326592, while the sum is 44.

The square root of 1329329474 is about 36459.9708447497. The cubic root of 1329329474 is about 1099.5396073347.

The spelling of 1329329474 in words is "one billion, three hundred twenty-nine million, three hundred twenty-nine thousand, four hundred seventy-four".