329481405271 has 4 divisors (see below), whose sum is σ = 331153899912. Its totient is φ = 327808910632.

The previous prime is 329481405263. The next prime is 329481405287. The reversal of 329481405271 is 172504184923.

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

It is a cyclic number.

It is not a de Polignac number, because 329481405271 - 2³ = 329481405263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329481405371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836247025 + ... + 836247418.

It is an arithmetic number, because the mean of its divisors is an integer number (82788474978).

Almost surely, 2^329481405271 is an apocalyptic number.

329481405271 is a deficient number, since it is larger than the sum of its proper divisors (1672494641).

329481405271 is a wasteful number, since it uses less digits than its factorization.

329481405271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672494640.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 329481405271 in words is "three hundred twenty-nine billion, four hundred eighty-one million, four hundred five thousand, two hundred seventy-one".