1244433109 has 2 divisors, whose sum is σ = 1244433110. Its totient is φ = 1244433108.

The previous prime is 1244433103. The next prime is 1244433119. The reversal of 1244433109 is 9013344421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 917908209 + 326524900 = 30297^2 + 18070^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244433109 - 2⁵ = 1244433077 is a prime.

It is a super-2 number, since 2×1244433109² = 3097227525550811762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244433103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622216554 + 622216555.

It is an arithmetic number, because the mean of its divisors is an integer number (622216555).

Almost surely, 2^1244433109 is an apocalyptic number.

It is an amenable number.

1244433109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244433109 is an equidigital number, since it uses as much as digits as its factorization.

1244433109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1244433109 is about 35276.5234823388. The cubic root of 1244433109 is about 1075.6158314593.

The spelling of 1244433109 in words is "one billion, two hundred forty-four million, four hundred thirty-three thousand, one hundred nine".