244258663393 has 4 divisors (see below), whose sum is σ = 244958545300. Its totient is φ = 243558781488.

The previous prime is 244258663357. The next prime is 244258663417. The reversal of 244258663393 is 393366852442.

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

It can be written as a sum of positive squares in 2 ways, for example, as 207774607329 + 36484056064 = 455823^2 + 191008^2 .

It is a cyclic number.

It is not a de Polignac number, because 244258663393 - 2²¹ = 244256566241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244258663343) 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, 349940430 + ... + 349941127.

It is an arithmetic number, because the mean of its divisors is an integer number (61239636325).

Almost surely, 2^244258663393 is an apocalyptic number.

It is an amenable number.

244258663393 is a deficient number, since it is larger than the sum of its proper divisors (699881907).

244258663393 is an equidigital number, since it uses as much as digits as its factorization.

244258663393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699881906.

The product of its digits is 22394880, while the sum is 55.

The spelling of 244258663393 in words is "two hundred forty-four billion, two hundred fifty-eight million, six hundred sixty-three thousand, three hundred ninety-three".