1938274827484 has 6 divisors (see below), whose sum is σ = 3391980948104. Its totient is φ = 969137413740.

The previous prime is 1938274827481. The next prime is 1938274827569. The reversal of 1938274827484 is 4847284728391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938274827481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242284353432 + ... + 242284353439.

Almost surely, 2^{1938274827484} is an apocalyptic number.

It is an amenable number.

1938274827484 is a deficient number, since it is larger than the sum of its proper divisors (1453706120620).

1938274827484 is a wasteful number, since it uses less digits than its factorization.

1938274827484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484568706875 (or 484568706873 counting only the distinct ones).

The product of its digits is 173408256, while the sum is 67.

The spelling of 1938274827484 in words is "one trillion, nine hundred thirty-eight billion, two hundred seventy-four million, eight hundred twenty-seven thousand, four hundred eighty-four".