352645663543 has 4 divisors (see below), whose sum is σ = 352920525048. Its totient is φ = 352370802040.

The previous prime is 352645663493. The next prime is 352645663583. The reversal of 352645663543 is 345366546253.

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

It is a cyclic number.

It is not a de Polignac number, because 352645663543 - 2⁹ = 352645663031 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 (352645663583) 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, 137428828 + ... + 137431393.

It is an arithmetic number, because the mean of its divisors is an integer number (88230131262).

Almost surely, 2^352645663543 is an apocalyptic number.

352645663543 is a deficient number, since it is larger than the sum of its proper divisors (274861505).

352645663543 is a wasteful number, since it uses less digits than its factorization.

352645663543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274861504.

The product of its digits is 23328000, while the sum is 52.

The spelling of 352645663543 in words is "three hundred fifty-two billion, six hundred forty-five million, six hundred sixty-three thousand, five hundred forty-three".