244748009 has 8 divisors (see below), whose sum is σ = 267123360. Its totient is φ = 222393600.

The previous prime is 244747969. The next prime is 244748017. The reversal of 244748009 is 900847442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 244748009 - 2²⁰ = 243699433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (244748089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28937 + ... + 36425.

It is an arithmetic number, because the mean of its divisors is an integer number (33390420).

Almost surely, 2^244748009 is an apocalyptic number.

It is an amenable number.

244748009 is a deficient number, since it is larger than the sum of its proper divisors (22375351).

244748009 is a wasteful number, since it uses less digits than its factorization.

244748009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10471.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 244748009 is about 15644.4242143966. The cubic root of 244748009 is about 625.5178717889.

The spelling of 244748009 in words is "two hundred forty-four million, seven hundred forty-eight thousand, nine".