3272456671221 has 4 divisors (see below), whose sum is σ = 4363275561632. Its totient is φ = 2181637780812.

The previous prime is 3272456671171. The next prime is 3272456671229. The reversal of 3272456671221 is 1221766542723.

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 not a de Polignac number, because 3272456671221 - 2⁹ = 3272456670709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3272456671229) 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, 545409445201 + ... + 545409445206.

It is an arithmetic number, because the mean of its divisors is an integer number (1090818890408).

Almost surely, 2^{3272456671221} is an apocalyptic number.

It is an amenable number.

3272456671221 is a deficient number, since it is larger than the sum of its proper divisors (1090818890411).

3272456671221 is a wasteful number, since it uses less digits than its factorization.

3272456671221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090818890410.

The product of its digits is 1693440, while the sum is 48.

The spelling of 3272456671221 in words is "three trillion, two hundred seventy-two billion, four hundred fifty-six million, six hundred seventy-one thousand, two hundred twenty-one".