244121541239 has 4 divisors (see below), whose sum is σ = 244134726360. Its totient is φ = 244108356120.

The previous prime is 244121541233. The next prime is 244121541331. The reversal of 244121541239 is 932145121442.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244121541239 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 (244121541233) 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, 6564749 + ... + 6601830.

It is an arithmetic number, because the mean of its divisors is an integer number (61033681590).

Almost surely, 2^244121541239 is an apocalyptic number.

244121541239 is a deficient number, since it is larger than the sum of its proper divisors (13185121).

244121541239 is a wasteful number, since it uses less digits than its factorization.

244121541239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13185120.

The product of its digits is 69120, while the sum is 38.

It can be divided in two parts, 24412 and 1541239, that added together give a palindrome (1565651).

The spelling of 244121541239 in words is "two hundred forty-four billion, one hundred twenty-one million, five hundred forty-one thousand, two hundred thirty-nine".