628984607543 has 4 divisors (see below), whose sum is σ = 628990657440. Its totient is φ = 628978557648.

The previous prime is 628984607533. The next prime is 628984607569. The reversal of 628984607543 is 345706489826.

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 628984607543 - 2⁶ = 628984607479 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 (628984607533) 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, 2866223 + ... + 3077856.

It is an arithmetic number, because the mean of its divisors is an integer number (157247664360).

Almost surely, 2^628984607543 is an apocalyptic number.

628984607543 is a deficient number, since it is larger than the sum of its proper divisors (6049897).

628984607543 is a wasteful number, since it uses less digits than its factorization.

628984607543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6049896.

The product of its (nonzero) digits is 69672960, while the sum is 62.

The spelling of 628984607543 in words is "six hundred twenty-eight billion, nine hundred eighty-four million, six hundred seven thousand, five hundred forty-three".