1329922981598 has 8 divisors (see below), whose sum is σ = 1994889802440. Its totient is φ = 664959714120.

The previous prime is 1329922981577. The next prime is 1329922981631. The reversal of 1329922981598 is 8951892299231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451508 + ... + 1692248.

It is an arithmetic number, because the mean of its divisors is an integer number (249361225305).

Almost surely, 2^{1329922981598} is an apocalyptic number.

1329922981598 is a deficient number, since it is larger than the sum of its proper divisors (664966820842).

1329922981598 is a wasteful number, since it uses less digits than its factorization.

1329922981598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776682.

The product of its digits is 50388480, while the sum is 68.

The spelling of 1329922981598 in words is "one trillion, three hundred twenty-nine billion, nine hundred twenty-two million, nine hundred eighty-one thousand, five hundred ninety-eight".