563939943672 has 64 divisors (see below), whose sum is σ = 1612180120320. Its totient is φ = 161033384448.

The previous prime is 563939943661. The next prime is 563939943703. The reversal of 563939943672 is 276349939365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667233 + ... + 1254224.

It is an arithmetic number, because the mean of its divisors is an integer number (25190314380).

Almost surely, 2^563939943672 is an apocalyptic number.

It is an amenable number.

563939943672 is an abundant number, since it is smaller than the sum of its proper divisors (1048240176648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

563939943672 is a wasteful number, since it uses less digits than its factorization.

563939943672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923220 (or 1923216 counting only the distinct ones).

The product of its digits is 198404640, while the sum is 66.

The spelling of 563939943672 in words is "five hundred sixty-three billion, nine hundred thirty-nine million, nine hundred forty-three thousand, six hundred seventy-two".