32718659689 has 3 divisors (see below), whose sum is σ = 32718840573. Its totient is φ = 32718478806.

The previous prime is 32718659657. The next prime is 32718659713. The reversal of 32718659689 is 98695681723.

The square root of 32718659689 is 180883.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98695681723 = 4549 ⋅21696127.

It is not a de Polignac number, because 32718659689 - 2⁵ = 32718659657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32718659689.

It is not an unprimeable number, because it can be changed into a prime (32718659639) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 90442 + ... + 271324.

It is an arithmetic number, because the mean of its divisors is an integer number (10906280191).

Almost surely, 2^32718659689 is an apocalyptic number.

32718659689 is the 180883-rd square number.

32718659689 is the 90442-nd centered octagonal number.

It is an amenable number.

32718659689 is a deficient number, since it is larger than the sum of its proper divisors (180884).

32718659689 is an frugal number, since it uses more digits than its factorization.

32718659689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361766 (or 180883 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 64.

Multiplying 32718659689 by its sum of digits (64), we get a square (2093994220096 = 1447064²).

The spelling of 32718659689 in words is "thirty-two billion, seven hundred eighteen million, six hundred fifty-nine thousand, six hundred eighty-nine".