328564645703 has 4 divisors (see below), whose sum is σ = 375502452240. Its totient is φ = 281626839168.

The previous prime is 328564645693. The next prime is 328564645711. The reversal of 328564645703 is 307546465823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307546465823 = 1789 ⋅171909707.

It is a cyclic number.

It is not a de Polignac number, because 328564645703 - 2¹² = 328564641607 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 (328564605703) 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, 23468903258 + ... + 23468903271.

It is an arithmetic number, because the mean of its divisors is an integer number (93875613060).

Almost surely, 2^328564645703 is an apocalyptic number.

328564645703 is a deficient number, since it is larger than the sum of its proper divisors (46937806537).

328564645703 is an equidigital number, since it uses as much as digits as its factorization.

328564645703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46937806536.

The product of its (nonzero) digits is 14515200, while the sum is 53.

The spelling of 328564645703 in words is "three hundred twenty-eight billion, five hundred sixty-four million, six hundred forty-five thousand, seven hundred three".