1233242443989 has 48 divisors (see below), whose sum is σ = 1797427756800. Its totient is φ = 814781721600.

The previous prime is 1233242443987. The next prime is 1233242444033. The reversal of 1233242443989 is 9893442423321.

1233242443989 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 2 + 4 + 244 + 398 + 9 = 666.

It is not a de Polignac number, because 1233242443989 - 2¹ = 1233242443987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233242443987) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 611423109 + ... + 611425125.

It is an arithmetic number, because the mean of its divisors is an integer number (37446411600).

Almost surely, 2^{1233242443989} is an apocalyptic number.

It is an amenable number.

1233242443989 is a deficient number, since it is larger than the sum of its proper divisors (564185312811).

1233242443989 is a wasteful number, since it uses less digits than its factorization.

1233242443989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410 (or 3407 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 54.

The spelling of 1233242443989 in words is "one trillion, two hundred thirty-three billion, two hundred forty-two million, four hundred forty-three thousand, nine hundred eighty-nine".