4216213421 has 8 divisors (see below), whose sum is σ = 5028031104. Its totient is φ = 3456771120.

The previous prime is 4216213369. The next prime is 4216213427. The reversal of 4216213421 is 1243126124.

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 4216213421 - 2⁶ = 4216213357 is a prime.

It is a super-2 number, since 2×4216213421² = 35552911222841046482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4216213427) 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, 13093670 + ... + 13093991.

It is an arithmetic number, because the mean of its divisors is an integer number (628503888).

Almost surely, 2^4216213421 is an apocalyptic number.

It is an amenable number.

4216213421 is a deficient number, since it is larger than the sum of its proper divisors (811817683).

4216213421 is a wasteful number, since it uses less digits than its factorization.

4216213421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26187691.

The product of its digits is 2304, while the sum is 26.

The square root of 4216213421 is about 64932.3757535484. The cubic root of 4216213421 is about 1615.5021070387.

Adding to 4216213421 its reverse (1243126124), we get a palindrome (5459339545).

The spelling of 4216213421 in words is "four billion, two hundred sixteen million, two hundred thirteen thousand, four hundred twenty-one".