244009693 has 4 divisors (see below), whose sum is σ = 244046560. Its totient is φ = 243972828.

The previous prime is 244009681. The next prime is 244009729. The reversal of 244009693 is 396900442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244009693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244009603) 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, 5463 + ... + 22756.

It is an arithmetic number, because the mean of its divisors is an integer number (61011640).

Almost surely, 2^244009693 is an apocalyptic number.

It is an amenable number.

244009693 is a deficient number, since it is larger than the sum of its proper divisors (36867).

244009693 is an equidigital number, since it uses as much as digits as its factorization.

244009693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36866.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 244009693 is about 15620.8096141013. The cubic root of 244009693 is about 624.8882513808. Note that the first 3 decimals are identical.

The spelling of 244009693 in words is "two hundred forty-four million, nine thousand, six hundred ninety-three".