244428862844311 has 4 divisors (see below), whose sum is σ = 244432056274432. Its totient is φ = 244425669414192.

The previous prime is 244428862844263. The next prime is 244428862844321. The reversal of 244428862844311 is 113448268824442.

It is a happy number.

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-244428862844311 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 244428862844311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244428862844321) 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, 1596600246 + ... + 1596753331.

It is an arithmetic number, because the mean of its divisors is an integer number (61108014068608).

Almost surely, 2^{244428862844311} is an apocalyptic number.

244428862844311 is a deficient number, since it is larger than the sum of its proper divisors (3193430121).

244428862844311 is an equidigital number, since it uses as much as digits as its factorization.

244428862844311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193430120.

The product of its digits is 75497472, while the sum is 61.

The spelling of 244428862844311 in words is "two hundred forty-four trillion, four hundred twenty-eight billion, eight hundred sixty-two million, eight hundred forty-four thousand, three hundred eleven".