19135670848 has 56 divisors (see below), whose sum is σ = 43411761792. Its totient is φ = 8198206464.

The previous prime is 19135670803. The next prime is 19135670899. The reversal of 19135670848 is 84807653191.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 19135670795 and 19135670804.

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 7 ways as a sum of consecutive naturals, for example, 1819461 + ... + 1829947.

It is an arithmetic number, because the mean of its divisors is an integer number (775210032).

Almost surely, 2^19135670848 is an apocalyptic number.

It is an amenable number.

19135670848 is an abundant number, since it is smaller than the sum of its proper divisors (24276090944).

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

19135670848 is a wasteful number, since it uses less digits than its factorization.

19135670848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14579 (or 14569 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 19135670848 in words is "nineteen billion, one hundred thirty-five million, six hundred seventy thousand, eight hundred forty-eight".