1927381818192 has 20 divisors (see below), whose sum is σ = 4979069697120. Its totient is φ = 642460606048.

The previous prime is 1927381818127. The next prime is 1927381818227. The reversal of 1927381818192 is 2918181837291.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20076893892 + ... + 20076893987.

It is an arithmetic number, because the mean of its divisors is an integer number (248953484856).

Almost surely, 2^{1927381818192} is an apocalyptic number.

1927381818192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1927381818192 is an abundant number, since it is smaller than the sum of its proper divisors (3051687878928).

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

1927381818192 is a wasteful number, since it uses less digits than its factorization.

1927381818192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40153787890 (or 40153787884 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 60.

The spelling of 1927381818192 in words is "one trillion, nine hundred twenty-seven billion, three hundred eighty-one million, eight hundred eighteen thousand, one hundred ninety-two".