244042969 has 4 divisors (see below), whose sum is σ = 245453796. Its totient is φ = 242632144.

The previous prime is 244042957. The next prime is 244042993. The reversal of 244042969 is 969240442.

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 180633600 + 63409369 = 13440^2 + 7963^2 .

It is a cyclic number.

It is not a de Polignac number, because 244042969 - 2⁵ = 244042937 is a prime.

It is a super-2 number, since 2×244042969² = 119113941436669922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244042999) 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, 705154 + ... + 705499.

It is an arithmetic number, because the mean of its divisors is an integer number (61363449).

Almost surely, 2^244042969 is an apocalyptic number.

It is an amenable number.

244042969 is a deficient number, since it is larger than the sum of its proper divisors (1410827).

244042969 is a wasteful number, since it uses less digits than its factorization.

244042969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410826.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 244042969 is about 15621.8746954391. The cubic root of 244042969 is about 624.9166557665.

The spelling of 244042969 in words is "two hundred forty-four million, forty-two thousand, nine hundred sixty-nine".