1329263283 has 4 divisors (see below), whose sum is σ = 1772351048. Its totient is φ = 886175520.

The previous prime is 1329263251. The next prime is 1329263297. The reversal of 1329263283 is 3823629231.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1329263283 - 2⁵ = 1329263251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1329263203) 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 3 ways as a sum of consecutive naturals, for example, 221543878 + ... + 221543883.

It is an arithmetic number, because the mean of its divisors is an integer number (443087762).

Almost surely, 2^1329263283 is an apocalyptic number.

1329263283 is a deficient number, since it is larger than the sum of its proper divisors (443087765).

1329263283 is an equidigital number, since it uses as much as digits as its factorization.

1329263283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443087764.

The product of its digits is 93312, while the sum is 39.

The square root of 1329263283 is about 36459.0631119342. The cubic root of 1329263283 is about 1099.5213573233.

The spelling of 1329263283 in words is "one billion, three hundred twenty-nine million, two hundred sixty-three thousand, two hundred eighty-three".