244021469 has 2 divisors, whose sum is σ = 244021470. Its totient is φ = 244021468.

The previous prime is 244021439. The next prime is 244021501. The reversal of 244021469 is 964120442.

It is an a-pointer prime, because the next prime (244021501) can be obtained adding 244021469 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142515844 + 101505625 = 11938^2 + 10075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244021469 is a prime.

It is a super-2 number, since 2×244021469² = 119092954665835922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244021439) 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 as a sum of consecutive naturals, namely, 122010734 + 122010735.

It is an arithmetic number, because the mean of its divisors is an integer number (122010735).

Almost surely, 2^244021469 is an apocalyptic number.

It is an amenable number.

244021469 is a deficient number, since it is larger than the sum of its proper divisors (1).

244021469 is an equidigital number, since it uses as much as digits as its factorization.

244021469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 244021469 is about 15621.1865426414. The cubic root of 244021469 is about 624.8983036668.

The spelling of 244021469 in words is "two hundred forty-four million, twenty-one thousand, four hundred sixty-nine".