244577643241 has 4 divisors (see below), whose sum is σ = 257450150800. Its totient is φ = 231705135684.

The previous prime is 244577643239. The next prime is 244577643251. The reversal of 244577643241 is 142346775442.

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 244577643241 - 2¹ = 244577643239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244577643251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6436253751 + ... + 6436253788.

It is an arithmetic number, because the mean of its divisors is an integer number (64362537700).

Almost surely, 2^244577643241 is an apocalyptic number.

It is an amenable number.

244577643241 is a deficient number, since it is larger than the sum of its proper divisors (12872507559).

244577643241 is a wasteful number, since it uses less digits than its factorization.

244577643241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12872507558.

The product of its digits is 4515840, while the sum is 49.

The spelling of 244577643241 in words is "two hundred forty-four billion, five hundred seventy-seven million, six hundred forty-three thousand, two hundred forty-one".