2143330453 has 8 divisors (see below), whose sum is σ = 2346162336. Its totient is φ = 1941829200.

The previous prime is 2143330439. The next prime is 2143330459. The reversal of 2143330453 is 3540333412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143330453 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 (2143330459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329283 + ... + 335728.

It is an arithmetic number, because the mean of its divisors is an integer number (293270292).

Almost surely, 2^2143330453 is an apocalyptic number.

It is an amenable number.

2143330453 is a deficient number, since it is larger than the sum of its proper divisors (202831883).

2143330453 is a wasteful number, since it uses less digits than its factorization.

2143330453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665315.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 2143330453 is about 46296.1170402011. The cubic root of 2143330453 is about 1289.3269034246.

Adding to 2143330453 its reverse (3540333412), we get a palindrome (5683663865).

The spelling of 2143330453 in words is "two billion, one hundred forty-three million, three hundred thirty thousand, four hundred fifty-three".