1927398065472 has 168 divisors, whose sum is σ = 6228130596800. Its totient is φ = 584059956480.

The previous prime is 1927398065441. The next prime is 1927398065519. The reversal of 1927398065472 is 2745608937291.

1927398065472 is a `hidden beast` number, since 1 + 9 + 2 + 7 + 3 + 9 + 80 + 6 + 547 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4399972 + ... + 4818147.

It is a 1-persistent number, because it is pandigital, but 2⋅1927398065472 = 3854796130944 is not.

Almost surely, 2^{1927398065472} is an apocalyptic number.

1927398065472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1927398065472 is an abundant number, since it is smaller than the sum of its proper divisors (4300732531328).

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

1927398065472 is a wasteful number, since it uses less digits than its factorization.

1927398065472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9218162 (or 9218135 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 1927398065472 in words is "one trillion, nine hundred twenty-seven billion, three hundred ninety-eight million, sixty-five thousand, four hundred seventy-two".