1329897390338 has 16 divisors (see below), whose sum is σ = 2176216005600. Its totient is φ = 604493181600.

The previous prime is 1329897390331. The next prime is 1329897390359. The reversal of 1329897390338 is 8330937989231.

It is not an unprimeable number, because it can be changed into a prime (1329897390331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2965118 + ... + 3384038.

It is an arithmetic number, because the mean of its divisors is an integer number (136013500350).

Almost surely, 2^{1329897390338} is an apocalyptic number.

1329897390338 is a deficient number, since it is larger than the sum of its proper divisors (846318615262).

1329897390338 is a wasteful number, since it uses less digits than its factorization.

1329897390338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563233.

The product of its (nonzero) digits is 52907904, while the sum is 65.

The spelling of 1329897390338 in words is "one trillion, three hundred twenty-nine billion, eight hundred ninety-seven million, three hundred ninety thousand, three hundred thirty-eight".