1938663049112 has 32 divisors (see below), whose sum is σ = 3662116935120. Its totient is φ = 962100817920.

The previous prime is 1938663049093. The next prime is 1938663049129. The reversal of 1938663049112 is 2119403668391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6805787 + ... + 7084917.

Almost surely, 2^{1938663049112} is an apocalyptic number.

It is an amenable number.

1938663049112 is a deficient number, since it is larger than the sum of its proper divisors (1723453886008).

1938663049112 is a wasteful number, since it uses less digits than its factorization.

1938663049112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285611 (or 285607 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 1938663049112 in words is "one trillion, nine hundred thirty-eight billion, six hundred sixty-three million, forty-nine thousand, one hundred twelve".