5144233721221 has 4 divisors (see below), whose sum is σ = 5879124252832. Its totient is φ = 4409343189612.

The previous prime is 5144233721219. The next prime is 5144233721293. The reversal of 5144233721221 is 1221273324415.

5144233721221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5144233721221 - 2¹ = 5144233721219 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 (5144233721201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367445265795 + ... + 367445265808.

It is an arithmetic number, because the mean of its divisors is an integer number (1469781063208).

Almost surely, 2^{5144233721221} is an apocalyptic number.

It is an amenable number.

5144233721221 is a deficient number, since it is larger than the sum of its proper divisors (734890531611).

5144233721221 is an equidigital number, since it uses as much as digits as its factorization.

5144233721221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734890531610.

The product of its digits is 80640, while the sum is 37.

The spelling of 5144233721221 in words is "five trillion, one hundred forty-four billion, two hundred thirty-three million, seven hundred twenty-one thousand, two hundred twenty-one".