6133440221 has 4 divisors (see below), whose sum is σ = 6133953600. Its totient is φ = 6132926844.

The previous prime is 6133440193. The next prime is 6133440227. The reversal of 6133440221 is 1220443316.

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 6133440221 - 2¹⁴ = 6133423837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6133440227) 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, 238331 + ... + 262808.

It is an arithmetic number, because the mean of its divisors is an integer number (1533488400).

Almost surely, 2^6133440221 is an apocalyptic number.

It is an amenable number.

6133440221 is a deficient number, since it is larger than the sum of its proper divisors (513379).

6133440221 is a wasteful number, since it uses less digits than its factorization.

6133440221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513378.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 6133440221 is about 78316.2832430140. The cubic root of 6133440221 is about 1830.4928869333.

Adding to 6133440221 its reverse (1220443316), we get a palindrome (7353883537).

The spelling of 6133440221 in words is "six billion, one hundred thirty-three million, four hundred forty thousand, two hundred twenty-one".