19427586025848 has 512 divisors, whose sum is σ = 67704360192000. Its totient is φ = 4481062871040.

The previous prime is 19427586025829. The next prime is 19427586025921. The reversal of 19427586025848 is 84852068572491.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 192934458 + ... + 193035126.

It is an arithmetic number, because the mean of its divisors is an integer number (132235078500).

Almost surely, 2^{19427586025848} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19427586025848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33852180096000).

19427586025848 is an abundant number, since it is smaller than the sum of its proper divisors (48276774166152).

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

19427586025848 is a wasteful number, since it uses less digits than its factorization.

19427586025848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101015 (or 101011 counting only the distinct ones).

The product of its (nonzero) digits is 309657600, while the sum is 69.

The spelling of 19427586025848 in words is "nineteen trillion, four hundred twenty-seven billion, five hundred eighty-six million, twenty-five thousand, eight hundred forty-eight".