4213442646 has 24 divisors (see below), whose sum is σ = 10433286864. Its totient is φ = 1203840720.

The previous prime is 4213442573. The next prime is 4213442647. The reversal of 4213442646 is 6462443124.

4213442646 is a `hidden beast` number, since 4 + 2 + 1 + 3 + 4 + 4 + 2 + 646 = 666.

It is a super-2 number, since 2×4213442646² = 35506197862262962632, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4213442646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4213442647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16719885 + ... + 16720136.

It is an arithmetic number, because the mean of its divisors is an integer number (434720286).

Almost surely, 2^4213442646 is an apocalyptic number.

4213442646 is an abundant number, since it is smaller than the sum of its proper divisors (6219844218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4213442646 is a wasteful number, since it uses less digits than its factorization.

4213442646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33440036 (or 33440033 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 4213442646 is about 64911.0363959781. The cubic root of 4213442646 is about 1615.1481422127.

The spelling of 4213442646 in words is "four billion, two hundred thirteen million, four hundred forty-two thousand, six hundred forty-six".