4344142013221 has 8 divisors (see below), whose sum is σ = 4477148207840. Its totient is φ = 4212589438512.

The previous prime is 4344142013207. The next prime is 4344142013227. The reversal of 4344142013221 is 1223102414434.

It is a happy number.

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 4344142013221 - 2¹¹ = 4344142011173 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 (4344142013227) 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, 363398910 + ... + 363410863.

It is an arithmetic number, because the mean of its divisors is an integer number (559643525980).

Almost surely, 2^{4344142013221} is an apocalyptic number.

It is an amenable number.

4344142013221 is a deficient number, since it is larger than the sum of its proper divisors (133006194619).

4344142013221 is a wasteful number, since it uses less digits than its factorization.

4344142013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726809955.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 4344142013221 its reverse (1223102414434), we get a palindrome (5567244427655).

The spelling of 4344142013221 in words is "four trillion, three hundred forty-four billion, one hundred forty-two million, thirteen thousand, two hundred twenty-one".