328860443029 has 4 divisors (see below), whose sum is σ = 328867506784. Its totient is φ = 328853379276.

The previous prime is 328860443027. The next prime is 328860443053. The reversal of 328860443029 is 920344068823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 328860443029 - 2¹ = 328860443027 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328860443027) 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, 3461577 + ... + 3555310.

It is an arithmetic number, because the mean of its divisors is an integer number (82216876696).

Almost surely, 2^328860443029 is an apocalyptic number.

It is an amenable number.

328860443029 is a deficient number, since it is larger than the sum of its proper divisors (7063755).

328860443029 is an equidigital number, since it uses as much as digits as its factorization.

328860443029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7063754.

The product of its (nonzero) digits is 1990656, while the sum is 49.

The spelling of 328860443029 in words is "three hundred twenty-eight billion, eight hundred sixty million, four hundred forty-three thousand, twenty-nine".