210253053243 has 4 divisors (see below), whose sum is σ = 280337404328. Its totient is φ = 140168702160.

The previous prime is 210253053229. The next prime is 210253053253. The reversal of 210253053243 is 342350352012.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 210253053243 - 2¹⁴ = 210253036859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210253053243.

It is not an unprimeable number, because it can be changed into a prime (210253053253) 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, 35042175538 + ... + 35042175543.

It is an arithmetic number, because the mean of its divisors is an integer number (70084351082).

Almost surely, 2^210253053243 is an apocalyptic number.

210253053243 is a deficient number, since it is larger than the sum of its proper divisors (70084351085).

210253053243 is an equidigital number, since it uses as much as digits as its factorization.

210253053243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70084351084.

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 210253053243 in words is "two hundred ten billion, two hundred fifty-three million, fifty-three thousand, two hundred forty-three".