1244333089 has 2 divisors, whose sum is σ = 1244333090. Its totient is φ = 1244333088.

The previous prime is 1244333059. The next prime is 1244333141. The reversal of 1244333089 is 9803334421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 687750625 + 556582464 = 26225^2 + 23592^2 .

It is an emirp because it is prime and its reverse (9803334421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1244333089 - 2¹³ = 1244324897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1244333059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622166544 + 622166545.

It is an arithmetic number, because the mean of its divisors is an integer number (622166545).

Almost surely, 2^1244333089 is an apocalyptic number.

It is an amenable number.

1244333089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244333089 is an equidigital number, since it uses as much as digits as its factorization.

1244333089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 1244333089 is about 35275.1057971482. The cubic root of 1244333089 is about 1075.5870135241.

The spelling of 1244333089 in words is "one billion, two hundred forty-four million, three hundred thirty-three thousand, eighty-nine".