1938945338704 has 40 divisors (see below), whose sum is σ = 4276409095872. Its totient is φ = 843019710720.

The previous prime is 1938945338621. The next prime is 1938945338779. The reversal of 1938945338704 is 4078335498391.

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, 239490189 + ... + 239498284.

Almost surely, 2^{1938945338704} is an apocalyptic number.

It is an amenable number.

1938945338704 is an abundant number, since it is smaller than the sum of its proper divisors (2337463757168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1938945338704 is a wasteful number, since it uses less digits than its factorization.

1938945338704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478988515 (or 478988509 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 1938945338704 in words is "one trillion, nine hundred thirty-eight billion, nine hundred forty-five million, three hundred thirty-eight thousand, seven hundred four".