244131053857 has 4 divisors (see below), whose sum is σ = 244141790256. Its totient is φ = 244120317460.

The previous prime is 244131053843. The next prime is 244131053869. The reversal of 244131053857 is 758350131442.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 244131053857 - 2¹⁵ = 244131021089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244131053557) 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, 5334019 + ... + 5379592.

It is an arithmetic number, because the mean of its divisors is an integer number (61035447564).

Almost surely, 2^244131053857 is an apocalyptic number.

It is an amenable number.

244131053857 is a deficient number, since it is larger than the sum of its proper divisors (10736399).

244131053857 is a wasteful number, since it uses less digits than its factorization.

244131053857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10736398.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 244131053857 in words is "two hundred forty-four billion, one hundred thirty-one million, fifty-three thousand, eight hundred fifty-seven".