2213449473 has 4 divisors (see below), whose sum is σ = 2951265968. Its totient is φ = 1475632980.

The previous prime is 2213449471. The next prime is 2213449481. The reversal of 2213449473 is 3749443122.

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 not a de Polignac number, because 2213449473 - 2¹ = 2213449471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213449471) 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, 368908243 + ... + 368908248.

It is an arithmetic number, because the mean of its divisors is an integer number (737816492).

Almost surely, 2^2213449473 is an apocalyptic number.

It is an amenable number.

2213449473 is a deficient number, since it is larger than the sum of its proper divisors (737816495).

2213449473 is an equidigital number, since it uses as much as digits as its factorization.

2213449473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737816494.

The product of its digits is 145152, while the sum is 39.

The square root of 2213449473 is about 47047.3110071128. The cubic root of 2213449473 is about 1303.2364081231.

The spelling of 2213449473 in words is "two billion, two hundred thirteen million, four hundred forty-nine thousand, four hundred seventy-three".