19019358652 has 12 divisors (see below), whose sum is σ = 38038717360. Its totient is φ = 8151153696.

The previous prime is 19019358571. The next prime is 19019358653. The reversal of 19019358652 is 25685391091.

19019358652 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 19019358596 and 19019358605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19019358653) 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 3 ways as a sum of consecutive naturals, for example, 339631377 + ... + 339631432.

Almost surely, 2^19019358652 is an apocalyptic number.

It is an amenable number.

19019358652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19019358652 is a wasteful number, since it uses less digits than its factorization.

19019358652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679262820 (or 679262818 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 49.

The spelling of 19019358652 in words is "nineteen billion, nineteen million, three hundred fifty-eight thousand, six hundred fifty-two".