2213043849 has 15 divisors (see below), whose sum is σ = 3306537597. Its totient is φ = 1475080308.

The previous prime is 2213043821. The next prime is 2213043883. The reversal of 2213043849 is 9483403122.

The square root of 2213043849 is 47043.

It is a perfect power (a square), and thus also a powerful number.

2213043849 is a `hidden beast` number, since 2 + 213 + 0 + 438 + 4 + 9 = 666.

It is not a de Polignac number, because 2213043849 - 2⁵ = 2213043817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2213043809) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 420774 + ... + 426000.

Almost surely, 2^2213043849 is an apocalyptic number.

2213043849 is the 47043-rd square number.

2213043849 is the 23522-nd centered octagonal number.

It is an amenable number.

2213043849 is a deficient number, since it is larger than the sum of its proper divisors (1093493748).

2213043849 is an frugal number, since it uses more digits than its factorization.

2213043849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10466 (or 5230 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The cubic root of 2213043849 is about 1303.1567953942.

Multiplying 2213043849 by its sum of digits (36), we get a square (79669578564 = 282258²).

The spelling of 2213043849 in words is "two billion, two hundred thirteen million, forty-three thousand, eight hundred forty-nine".