19027054056864 has 48 divisors (see below), whose sum is σ = 57081162172608. Its totient is φ = 5436301158912.

The previous prime is 19027054056839. The next prime is 19027054056887. The reversal of 19027054056864 is 46865045072091.

It is a tau number, because it is divible by the number of its divisors (48).

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, 14157033597 + ... + 14157034940.

It is an arithmetic number, because the mean of its divisors is an integer number (1189190878596).

Almost surely, 2^{19027054056864} is an apocalyptic number.

19027054056864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19027054056864 is an abundant number, since it is smaller than the sum of its proper divisors (38054108115744).

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

19027054056864 is a wasteful number, since it uses less digits than its factorization.

19027054056864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28314068557 (or 28314068549 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 19027054056864 in words is "nineteen trillion, twenty-seven billion, fifty-four million, fifty-six thousand, eight hundred sixty-four".