328521309411 has 4 divisors (see below), whose sum is σ = 438028412552. Its totient is φ = 219014206272.

The previous prime is 328521309409. The next prime is 328521309449. The reversal of 328521309411 is 114903125823.

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

It is not a de Polignac number, because 328521309411 - 2¹ = 328521309409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 328521309411.

It is not an unprimeable number, because it can be changed into a prime (328521309401) 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, 54753551566 + ... + 54753551571.

It is an arithmetic number, because the mean of its divisors is an integer number (109507103138).

Almost surely, 2^328521309411 is an apocalyptic number.

328521309411 is a deficient number, since it is larger than the sum of its proper divisors (109507103141).

328521309411 is a wasteful number, since it uses less digits than its factorization.

328521309411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109507103140.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 328521309411 in words is "three hundred twenty-eight billion, five hundred twenty-one million, three hundred nine thousand, four hundred eleven".