1329766475 has 12 divisors (see below), whose sum is σ = 1649849760. Its totient is φ = 1063207200.

The previous prime is 1329766457. The next prime is 1329766481. The reversal of 1329766475 is 5746679231.

It is a de Polignac number, because none of the positive numbers 2^k-1329766475 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32561 + ... + 60989.

It is an arithmetic number, because the mean of its divisors is an integer number (137487480).

Almost surely, 2^1329766475 is an apocalyptic number.

1329766475 is a deficient number, since it is larger than the sum of its proper divisors (320083285).

1329766475 is a wasteful number, since it uses less digits than its factorization.

1329766475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30310 (or 30305 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 50.

The square root of 1329766475 is about 36465.9632397116. The cubic root of 1329766475 is about 1099.6600809203.

The spelling of 1329766475 in words is "one billion, three hundred twenty-nine million, seven hundred sixty-six thousand, four hundred seventy-five".