244200005243 has 4 divisors (see below), whose sum is σ = 244202011248. Its totient is φ = 244197999240.

The previous prime is 244200005239. The next prime is 244200005251. The reversal of 244200005243 is 342500002442.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 244200005243 - 2² = 244200005239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244200005233) 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, 807728 + ... + 1068093.

It is an arithmetic number, because the mean of its divisors is an integer number (61050502812).

Almost surely, 2^244200005243 is an apocalyptic number.

244200005243 is a deficient number, since it is larger than the sum of its proper divisors (2006005).

244200005243 is a wasteful number, since it uses less digits than its factorization.

244200005243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006004.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 244200005243 its reverse (342500002442), we get a palindrome (586700007685).

The spelling of 244200005243 in words is "two hundred forty-four billion, two hundred million, five thousand, two hundred forty-three".