2113421444 has 12 divisors (see below), whose sum is σ = 3698959824. Its totient is φ = 1056575784.

The previous prime is 2113421441. The next prime is 2113421483. The reversal of 2113421444 is 4441243112.

It is not an unprimeable number, because it can be changed into a prime (2113421441) 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, 6959 + ... + 65385.

It is an arithmetic number, because the mean of its divisors is an integer number (308246652).

Almost surely, 2^2113421444 is an apocalyptic number.

It is an amenable number.

2113421444 is a deficient number, since it is larger than the sum of its proper divisors (1585538380).

2113421444 is a wasteful number, since it uses less digits than its factorization.

2113421444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67474 (or 67472 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 2113421444 is about 45971.9636735261. The cubic root of 2113421444 is about 1283.3015039650.

Adding to 2113421444 its reverse (4441243112), we get a palindrome (6554664556).

The spelling of 2113421444 in words is "two billion, one hundred thirteen million, four hundred twenty-one thousand, four hundred forty-four".