6411453221 has 8 divisors (see below), whose sum is σ = 6478743744. Its totient is φ = 6344440960.

The previous prime is 6411453173. The next prime is 6411453227. The reversal of 6411453221 is 1223541146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6411453221 - 2¹⁰ = 6411452197 is a prime.

It is a super-2 number, since 2×6411453221² = 82213464810142549682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6411453227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23081 + ... + 115566.

It is an arithmetic number, because the mean of its divisors is an integer number (809842968).

Almost surely, 2^6411453221 is an apocalyptic number.

It is an amenable number.

6411453221 is a deficient number, since it is larger than the sum of its proper divisors (67290523).

6411453221 is a wasteful number, since it uses less digits than its factorization.

6411453221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139131.

The product of its digits is 5760, while the sum is 29.

The square root of 6411453221 is about 80071.5506344170. The cubic root of 6411453221 is about 1857.7423972452.

Adding to 6411453221 its reverse (1223541146), we get a palindrome (7634994367).

The spelling of 6411453221 in words is "six billion, four hundred eleven million, four hundred fifty-three thousand, two hundred twenty-one".