4221219013 has 4 divisors (see below), whose sum is σ = 4604966208. Its totient is φ = 3837471820.

The previous prime is 4221219007. The next prime is 4221219031. The reversal of 4221219013 is 3109121224.

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 4221219013 - 2⁹ = 4221218501 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 (4221219913) 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, 191873581 + ... + 191873602.

It is an arithmetic number, because the mean of its divisors is an integer number (1151241552).

Almost surely, 2^4221219013 is an apocalyptic number.

It is an amenable number.

4221219013 is a deficient number, since it is larger than the sum of its proper divisors (383747195).

4221219013 is a wasteful number, since it uses less digits than its factorization.

4221219013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383747194.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 4221219013 is about 64970.9089747096. The cubic root of 4221219013 is about 1616.1411754431.

It can be divided in two parts, 422121 and 9013, that added together give a palindrome (431134).

The spelling of 4221219013 in words is "four billion, two hundred twenty-one million, two hundred nineteen thousand, thirteen".