19387109058 has 32 divisors (see below), whose sum is σ = 40120228800. Its totient is φ = 6238134336.

The previous prime is 19387109051. The next prime is 19387109153. The reversal of 19387109058 is 85090178391.

It is a self number, because there is not a number n which added to its sum of digits gives 19387109058.

It is not an unprimeable number, because it can be changed into a prime (19387109051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007148 + ... + 1026216.

It is an arithmetic number, because the mean of its divisors is an integer number (1253757150).

Almost surely, 2^19387109058 is an apocalyptic number.

19387109058 is an abundant number, since it is smaller than the sum of its proper divisors (20733119742).

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

19387109058 is a wasteful number, since it uses less digits than its factorization.

19387109058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24946.

The product of its (nonzero) digits is 544320, while the sum is 51.

The spelling of 19387109058 in words is "nineteen billion, three hundred eighty-seven million, one hundred nine thousand, fifty-eight".