32791540099 has 4 divisors (see below), whose sum is σ = 32796097264. Its totient is φ = 32786982936.

The previous prime is 32791540087. The next prime is 32791540147. The reversal of 32791540099 is 99004519723.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32791540099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32791540039) 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, 2267772 + ... + 2282185.

It is an arithmetic number, because the mean of its divisors is an integer number (8199024316).

Almost surely, 2^32791540099 is an apocalyptic number.

32791540099 is a deficient number, since it is larger than the sum of its proper divisors (4557165).

32791540099 is an equidigital number, since it uses as much as digits as its factorization.

32791540099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557164.

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 32791540099 in words is "thirty-two billion, seven hundred ninety-one million, five hundred forty thousand, ninety-nine".