2013213444 has 24 divisors (see below), whose sum is σ = 5124543648. Its totient is φ = 610064640.

The previous prime is 2013213443. The next prime is 2013213467. The reversal of 2013213444 is 4443123102.

It is a super-2 number, since 2×2013213444² = 8106056742204682272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2013213443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7625677 + ... + 7625940.

It is an arithmetic number, because the mean of its divisors is an integer number (213522652).

Almost surely, 2^2013213444 is an apocalyptic number.

It is an amenable number.

2013213444 is an abundant number, since it is smaller than the sum of its proper divisors (3111330204).

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

2013213444 is a wasteful number, since it uses less digits than its factorization.

2013213444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15251635 (or 15251633 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2013213444 is about 44868.8471436475. The cubic root of 2013213444 is about 1262.6896111515.

Adding to 2013213444 its reverse (4443123102), we get a palindrome (6456336546).

The spelling of 2013213444 in words is "two billion, thirteen million, two hundred thirteen thousand, four hundred forty-four".