32340663721 has 4 divisors (see below), whose sum is σ = 32521338000. Its totient is φ = 32159989444.

The previous prime is 32340663701. The next prime is 32340663739. The reversal of 32340663721 is 12736604323.

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 not a de Polignac number, because 32340663721 - 2¹⁵ = 32340630953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32340663701) 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, 90336871 + ... + 90337228.

It is an arithmetic number, because the mean of its divisors is an integer number (8130334500).

Almost surely, 2^32340663721 is an apocalyptic number.

It is an amenable number.

32340663721 is a deficient number, since it is larger than the sum of its proper divisors (180674279).

32340663721 is a wasteful number, since it uses less digits than its factorization.

32340663721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180674278.

The product of its (nonzero) digits is 108864, while the sum is 37.

The spelling of 32340663721 in words is "thirty-two billion, three hundred forty million, six hundred sixty-three thousand, seven hundred twenty-one".