1329473830 has 32 divisors (see below), whose sum is σ = 2501777664. Its totient is φ = 507715296.

The previous prime is 1329473809. The next prime is 1329473837. The reversal of 1329473830 is 383749231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329473837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124357 + ... + 134623.

It is an arithmetic number, because the mean of its divisors is an integer number (78180552).

Almost surely, 2^1329473830 is an apocalyptic number.

1329473830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1329473830 is a deficient number, since it is larger than the sum of its proper divisors (1172303834).

1329473830 is a wasteful number, since it uses less digits than its factorization.

1329473830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10860.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 1329473830 is about 36461.9504415219. The cubic root of 1329473830 is about 1099.5794066966.

The spelling of 1329473830 in words is "one billion, three hundred twenty-nine million, four hundred seventy-three thousand, eight hundred thirty".