32564703793 has 4 divisors (see below), whose sum is σ = 32611831408. Its totient is φ = 32517576180.

The previous prime is 32564703781. The next prime is 32564703797. The reversal of 32564703793 is 39730746523.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32564703793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32564703797) 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, 23562771 + ... + 23564152.

It is an arithmetic number, because the mean of its divisors is an integer number (8152957852).

Almost surely, 2^32564703793 is an apocalyptic number.

It is an amenable number.

32564703793 is a deficient number, since it is larger than the sum of its proper divisors (47127615).

32564703793 is an equidigital number, since it uses as much as digits as its factorization.

32564703793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47127614.

The product of its (nonzero) digits is 2857680, while the sum is 49.

The spelling of 32564703793 in words is "thirty-two billion, five hundred sixty-four million, seven hundred three thousand, seven hundred ninety-three".