2113442404 has 6 divisors (see below), whose sum is σ = 3698524214. Its totient is φ = 1056721200.

The previous prime is 2113442393. The next prime is 2113442407. The reversal of 2113442404 is 4042443112.

It can be written as a sum of positive squares in only one way, i.e., 2083739904 + 29702500 = 45648^2 + 5450^2 .

It is not an unprimeable number, because it can be changed into a prime (2113442407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264180297 + ... + 264180304.

Almost surely, 2^2113442404 is an apocalyptic number.

It is an amenable number.

2113442404 is a deficient number, since it is larger than the sum of its proper divisors (1585081810).

2113442404 is a wasteful number, since it uses less digits than its factorization.

2113442404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528360605 (or 528360603 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 2113442404 is about 45972.1916379892. The cubic root of 2113442404 is about 1283.3057463608.

Adding to 2113442404 its reverse (4042443112), we get a palindrome (6155885516).

The spelling of 2113442404 in words is "two billion, one hundred thirteen million, four hundred forty-two thousand, four hundred four".