329939820454 has 8 divisors (see below), whose sum is σ = 506980699848. Its totient is φ = 160946253840.

The previous prime is 329939820451. The next prime is 329939820479. The reversal of 329939820454 is 454028939923.

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

It is a super-2 number, since 2×329939820454² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2011828092 + ... + 2011828255.

It is an arithmetic number, because the mean of its divisors is an integer number (63372587481).

Almost surely, 2^329939820454 is an apocalyptic number.

329939820454 is a deficient number, since it is larger than the sum of its proper divisors (177040879394).

329939820454 is a wasteful number, since it uses less digits than its factorization.

329939820454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023656390.

The product of its (nonzero) digits is 16796160, while the sum is 58.

The spelling of 329939820454 in words is "three hundred twenty-nine billion, nine hundred thirty-nine million, eight hundred twenty thousand, four hundred fifty-four".