2153344453 has 16 divisors (see below), whose sum is σ = 2407547520. Its totient is φ = 1912284864.

The previous prime is 2153344441. The next prime is 2153344483. The reversal of 2153344453 is 3544433512.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2153344453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153344483) 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, 96600 + ... + 116782.

It is an arithmetic number, because the mean of its divisors is an integer number (150471720).

Almost surely, 2^2153344453 is an apocalyptic number.

It is an amenable number.

2153344453 is a deficient number, since it is larger than the sum of its proper divisors (254203067).

2153344453 is a wasteful number, since it uses less digits than its factorization.

2153344453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20508.

The product of its digits is 86400, while the sum is 34.

The square root of 2153344453 is about 46404.1426275715. The cubic root of 2153344453 is about 1291.3317682791.

Adding to 2153344453 its reverse (3544433512), we get a palindrome (5697777965).

The spelling of 2153344453 in words is "two billion, one hundred fifty-three million, three hundred forty-four thousand, four hundred fifty-three".