244121369 has 2 divisors, whose sum is σ = 244121370. Its totient is φ = 244121368.

The previous prime is 244121327. The next prime is 244121389. The reversal of 244121369 is 963121442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173896969 + 70224400 = 13187^2 + 8380^2 .

It is a cyclic number.

It is not a de Polignac number, because 244121369 - 2²⁴ = 227344153 is a prime.

It is a super-2 number, since 2×244121369² = 119190485604868322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (244121389) 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, 122060684 + 122060685.

It is an arithmetic number, because the mean of its divisors is an integer number (122060685).

Almost surely, 2^244121369 is an apocalyptic number.

It is an amenable number.

244121369 is a deficient number, since it is larger than the sum of its proper divisors (1).

244121369 is an equidigital number, since it uses as much as digits as its factorization.

244121369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 244121369 is about 15624.3837958494. The cubic root of 244121369 is about 624.9835677813.

The spelling of 244121369 in words is "two hundred forty-four million, one hundred twenty-one thousand, three hundred sixty-nine".