2113204453 has 16 divisors (see below), whose sum is σ = 2260016640. Its totient is φ = 1970060400.

The previous prime is 2113204439. The next prime is 2113204463. The reversal of 2113204453 is 3544023112.

It is a cyclic number.

It is not a de Polignac number, because 2113204453 - 2⁹ = 2113203941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113204433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931026 + ... + 933292.

It is an arithmetic number, because the mean of its divisors is an integer number (141251040).

Almost surely, 2^2113204453 is an apocalyptic number.

It is an amenable number.

2113204453 is a deficient number, since it is larger than the sum of its proper divisors (146812187).

2113204453 is a wasteful number, since it uses less digits than its factorization.

2113204453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2113204453 is about 45969.6035767114. The cubic root of 2113204453 is about 1283.2575823881.

Adding to 2113204453 its reverse (3544023112), we get a palindrome (5657227565).

The spelling of 2113204453 in words is "two billion, one hundred thirteen million, two hundred four thousand, four hundred fifty-three".