329939820453 has 8 divisors (see below), whose sum is σ = 439925825248. Its totient is φ = 219956847984.

The previous prime is 329939820451. The next prime is 329939820479. The reversal of 329939820453 is 354028939923.

It is a happy number.

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

It is not a de Polignac number, because 329939820453 - 2¹ = 329939820451 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 329939820393 and 329939820402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329939820451) 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, 490726 + ... + 949047.

It is an arithmetic number, because the mean of its divisors is an integer number (54990728156).

Almost surely, 2^329939820453 is an apocalyptic number.

It is an amenable number.

329939820453 is a deficient number, since it is larger than the sum of its proper divisors (109986004795).

329939820453 is a wasteful number, since it uses less digits than its factorization.

329939820453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516163.

The product of its (nonzero) digits is 12597120, while the sum is 57.

The spelling of 329939820453 in words is "three hundred twenty-nine billion, nine hundred thirty-nine million, eight hundred twenty thousand, four hundred fifty-three".