19472021759368 has 32 divisors (see below), whose sum is σ = 36618818420160. Its totient is φ = 9707046655680.

The previous prime is 19472021759297. The next prime is 19472021759371. The reversal of 19472021759368 is 86395712027491.

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, 916021 + ... + 6307387.

It is an arithmetic number, because the mean of its divisors is an integer number (1144338075630).

It is a 1-persistent number, because it is pandigital, but 2⋅19472021759368 = 38944043518736 is not.

Almost surely, 2^{19472021759368} is an apocalyptic number.

It is an amenable number.

19472021759368 is a deficient number, since it is larger than the sum of its proper divisors (17146796660792).

19472021759368 is a wasteful number, since it uses less digits than its factorization.

19472021759368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392717 (or 5392713 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 19472021759368 in words is "nineteen trillion, four hundred seventy-two billion, twenty-one million, seven hundred fifty-nine thousand, three hundred sixty-eight".