328391348109 has 16 divisors (see below), whose sum is σ = 477776870400. Its totient is φ = 198976422960.

The previous prime is 328391348101. The next prime is 328391348111. The reversal of 328391348109 is 901843193823.

It is not a de Polignac number, because 328391348109 - 2³ = 328391348101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328391348101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1078597 + ... + 1349130.

It is an arithmetic number, because the mean of its divisors is an integer number (29861054400).

Almost surely, 2^328391348109 is an apocalyptic number.

It is an amenable number.

328391348109 is a deficient number, since it is larger than the sum of its proper divisors (149385522291).

328391348109 is a wasteful number, since it uses less digits than its factorization.

328391348109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431840.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 328391348109 in words is "three hundred twenty-eight billion, three hundred ninety-one million, three hundred forty-eight thousand, one hundred nine".