19475197893308 has 12 divisors (see below), whose sum is σ = 34149896109000. Its totient is φ = 9718084719312.

The previous prime is 19475197893299. The next prime is 19475197893367. The reversal of 19475197893308 is 80339879157491.

It is a super-2 number, since 2×19475197893308² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4878554591 + ... + 4878558582.

It is an arithmetic number, because the mean of its divisors is an integer number (2845824675750).

Almost surely, 2^{19475197893308} is an apocalyptic number.

It is an amenable number.

19475197893308 is a deficient number, since it is larger than the sum of its proper divisors (14674698215692).

19475197893308 is a wasteful number, since it uses less digits than its factorization.

19475197893308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9757113676 (or 9757113674 counting only the distinct ones).

The product of its (nonzero) digits is 411505920, while the sum is 74.

The spelling of 19475197893308 in words is "nineteen trillion, four hundred seventy-five billion, one hundred ninety-seven million, eight hundred ninety-three thousand, three hundred eight".