1244233469 has 2 divisors, whose sum is σ = 1244233470. Its totient is φ = 1244233468.

The previous prime is 1244233427. The next prime is 1244233499. The reversal of 1244233469 is 9643324421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 826562500 + 417670969 = 28750^2 + 20437^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244233469 - 2¹² = 1244229373 is a prime.

It is a super-2 number, since 2×1244233469² = 3096233850759547922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244233499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622116734 + 622116735.

It is an arithmetic number, because the mean of its divisors is an integer number (622116735).

Almost surely, 2^1244233469 is an apocalyptic number.

It is an amenable number.

1244233469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244233469 is an equidigital number, since it uses as much as digits as its factorization.

1244233469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 38.

The square root of 1244233469 is about 35273.6937249276. The cubic root of 1244233469 is about 1075.5583093026.

The spelling of 1244233469 in words is "one billion, two hundred forty-four million, two hundred thirty-three thousand, four hundred sixty-nine".