1329472403 has 32 divisors (see below), whose sum is σ = 1631443968. Its totient is φ = 1057536000.

The previous prime is 1329472399. The next prime is 1329472451. The reversal of 1329472403 is 3042749231.

It is not a de Polignac number, because 1329472403 - 2² = 1329472399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1329475403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4330376 + ... + 4330682.

It is an arithmetic number, because the mean of its divisors is an integer number (50982624).

Almost surely, 2^1329472403 is an apocalyptic number.

1329472403 is a deficient number, since it is larger than the sum of its proper divisors (301971565).

1329472403 is a wasteful number, since it uses less digits than its factorization.

1329472403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1329472403 is about 36461.9308731724. The cubic root of 1329472403 is about 1099.5790132827.

The spelling of 1329472403 in words is "one billion, three hundred twenty-nine million, four hundred seventy-two thousand, four hundred three".