2120335453 has 4 divisors (see below), whose sum is σ = 2121120288. Its totient is φ = 2119550620.

The previous prime is 2120335429. The next prime is 2120335463. The reversal of 2120335453 is 3545330212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2120335453 - 2⁹ = 2120334941 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 (2120335423) 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, 388351 + ... + 393772.

It is an arithmetic number, because the mean of its divisors is an integer number (530280072).

Almost surely, 2^2120335453 is an apocalyptic number.

It is an amenable number.

2120335453 is a deficient number, since it is larger than the sum of its proper divisors (784835).

2120335453 is an equidigital number, since it uses as much as digits as its factorization.

2120335453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784834.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 2120335453 is about 46047.1003755937. The cubic root of 2120335453 is about 1284.6994109855.

Adding to 2120335453 its reverse (3545330212), we get a palindrome (5665665665).

The spelling of 2120335453 in words is "two billion, one hundred twenty million, three hundred thirty-five thousand, four hundred fifty-three".