329639493108 has 24 divisors (see below), whose sum is σ = 773604826848. Its totient is φ = 109244686816.

The previous prime is 329639493107. The next prime is 329639493143. The reversal of 329639493108 is 801394936923.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329639493103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79390866 + ... + 79395017.

It is an arithmetic number, because the mean of its divisors is an integer number (32233534452).

Almost surely, 2^329639493108 is an apocalyptic number.

It is an amenable number.

329639493108 is an abundant number, since it is smaller than the sum of its proper divisors (443965333740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

329639493108 is a wasteful number, since it uses less digits than its factorization.

329639493108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158786063 (or 158786061 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 57.

The spelling of 329639493108 in words is "three hundred twenty-nine billion, six hundred thirty-nine million, four hundred ninety-three thousand, one hundred eight".