244327408391 has 4 divisors (see below), whose sum is σ = 266538990984. Its totient is φ = 222115825800.

The previous prime is 244327408343. The next prime is 244327408447. The reversal of 244327408391 is 193804723442.

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

It is not a de Polignac number, because 244327408391 - 2¹⁰ = 244327407367 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244327408691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11105791280 + ... + 11105791301.

It is an arithmetic number, because the mean of its divisors is an integer number (66634747746).

Almost surely, 2^244327408391 is an apocalyptic number.

244327408391 is a deficient number, since it is larger than the sum of its proper divisors (22211582593).

244327408391 is a wasteful number, since it uses less digits than its factorization.

244327408391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22211582592.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 244327408391 in words is "two hundred forty-four billion, three hundred twenty-seven million, four hundred eight thousand, three hundred ninety-one".