19208046406463 has 16 divisors (see below), whose sum is σ = 19914462199296. Its totient is φ = 18512979975360.

The previous prime is 19208046406459. The next prime is 19208046406481. The reversal of 19208046406463 is 36460464080291.

It is not a de Polignac number, because 19208046406463 - 2² = 19208046406459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19208046406363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88038956 + ... + 88256862.

It is an arithmetic number, because the mean of its divisors is an integer number (1244653887456).

Almost surely, 2^{19208046406463} is an apocalyptic number.

19208046406463 is a deficient number, since it is larger than the sum of its proper divisors (706415792833).

19208046406463 is a wasteful number, since it uses less digits than its factorization.

19208046406463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243934.

The product of its (nonzero) digits is 5971968, while the sum is 53.

The spelling of 19208046406463 in words is "nineteen trillion, two hundred eight billion, forty-six million, four hundred six thousand, four hundred sixty-three".