32792256643 has 4 divisors (see below), whose sum is σ = 32811906160. Its totient is φ = 32772607128.

The previous prime is 32792256631. The next prime is 32792256671. The reversal of 32792256643 is 34665229723.

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 32792256643 - 2⁵ = 32792256611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32792256143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9822255 + ... + 9825592.

It is an arithmetic number, because the mean of its divisors is an integer number (8202976540).

Almost surely, 2^32792256643 is an apocalyptic number.

32792256643 is a deficient number, since it is larger than the sum of its proper divisors (19649517).

32792256643 is a wasteful number, since it uses less digits than its factorization.

32792256643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19649516.

The product of its digits is 3265920, while the sum is 49.

The spelling of 32792256643 in words is "thirty-two billion, seven hundred ninety-two million, two hundred fifty-six thousand, six hundred forty-three".