19836284068417 has 8 divisors (see below), whose sum is σ = 19913695135976. Its totient is φ = 19758914727552.

The previous prime is 19836284068357. The next prime is 19836284068429. The reversal of 19836284068417 is 71486048263891.

It can be written as a sum of positive squares in 4 ways, for example, as 739873505281 + 19096410563136 = 860159^2 + 4369944^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19836284068417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19836284078417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9478878 + ... + 11380759.

It is an arithmetic number, because the mean of its divisors is an integer number (2489211891997).

Almost surely, 2^{19836284068417} is an apocalyptic number.

It is an amenable number.

19836284068417 is a deficient number, since it is larger than the sum of its proper divisors (77411067559).

19836284068417 is a wasteful number, since it uses less digits than its factorization.

19836284068417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20863347.

The product of its (nonzero) digits is 111476736, while the sum is 67.

The spelling of 19836284068417 in words is "nineteen trillion, eight hundred thirty-six billion, two hundred eighty-four million, sixty-eight thousand, four hundred seventeen".