1944242424189 has 48 divisors (see below), whose sum is σ = 3037461667968. Its totient is φ = 1191288041856.

The previous prime is 1944242424151. The next prime is 1944242424209. The reversal of 1944242424189 is 9814242424491.

It is a happy number.

1944242424189 is a `hidden beast` number, since 1 + 9 + 442 + 42 + 42 + 41 + 89 = 666.

It is not a de Polignac number, because 1944242424189 - 2²⁷ = 1944108206461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944242424389) 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, 38472312 + ... + 38522814.

It is an arithmetic number, because the mean of its divisors is an integer number (63280451416).

Almost surely, 2^{1944242424189} is an apocalyptic number.

It is an amenable number.

1944242424189 is a deficient number, since it is larger than the sum of its proper divisors (1093219243779).

1944242424189 is a wasteful number, since it uses less digits than its factorization.

1944242424189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51938 (or 51935 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The spelling of 1944242424189 in words is "one trillion, nine hundred forty-four billion, two hundred forty-two million, four hundred twenty-four thousand, one hundred eighty-nine".