244326646243 has 4 divisors (see below), whose sum is σ = 252751703040. Its totient is φ = 235901589448.

The previous prime is 244326646231. The next prime is 244326646259. The reversal of 244326646243 is 342646623442.

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-244326646243 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 244326646193 and 244326646202.

It is not an unprimeable number, because it can be changed into a prime (244326646943) 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, 4212528355 + ... + 4212528412.

It is an arithmetic number, because the mean of its divisors is an integer number (63187925760).

Almost surely, 2^244326646243 is an apocalyptic number.

244326646243 is a deficient number, since it is larger than the sum of its proper divisors (8425056797).

244326646243 is an equidigital number, since it uses as much as digits as its factorization.

244326646243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425056796.

The product of its digits is 3981312, while the sum is 46.

The spelling of 244326646243 in words is "two hundred forty-four billion, three hundred twenty-six million, six hundred forty-six thousand, two hundred forty-three".