2550342243 has 4 divisors (see below), whose sum is σ = 3400456328. Its totient is φ = 1700228160.

The previous prime is 2550342239. The next prime is 2550342257. The reversal of 2550342243 is 3422430552.

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

It is not a de Polignac number, because 2550342243 - 2² = 2550342239 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 2550342243.

It is not an unprimeable number, because it can be changed into a prime (2550342233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425057038 + ... + 425057043.

It is an arithmetic number, because the mean of its divisors is an integer number (850114082).

Almost surely, 2^2550342243 is an apocalyptic number.

2550342243 is a deficient number, since it is larger than the sum of its proper divisors (850114085).

2550342243 is an equidigital number, since it uses as much as digits as its factorization.

2550342243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850114084.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 2550342243 is about 50500.9132887713. The cubic root of 2550342243 is about 1366.2583257616.

Adding to 2550342243 its reverse (3422430552), we get a palindrome (5972772795).

The spelling of 2550342243 in words is "two billion, five hundred fifty million, three hundred forty-two thousand, two hundred forty-three".