2113213404 has 24 divisors (see below), whose sum is σ = 4934917008. Its totient is φ = 703820800.

The previous prime is 2113213391. The next prime is 2113213439. The reversal of 2113213404 is 4043123112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57747 + ... + 86954.

It is an arithmetic number, because the mean of its divisors is an integer number (205621542).

Almost surely, 2^2113213404 is an apocalyptic number.

It is an amenable number.

2113213404 is an abundant number, since it is smaller than the sum of its proper divisors (2821703604).

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

2113213404 is a wasteful number, since it uses less digits than its factorization.

2113213404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145925 (or 145923 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2113213404 is about 45969.7009344198. The cubic root of 2113213404 is about 1283.2593942371.

Adding to 2113213404 its reverse (4043123112), we get a palindrome (6156336516).

The spelling of 2113213404 in words is "two billion, one hundred thirteen million, two hundred thirteen thousand, four hundred four".