19046999663 has 4 divisors (see below), whose sum is σ = 19047275688. Its totient is φ = 19046723640.

The previous prime is 19046999651. The next prime is 19046999669. The reversal of 19046999663 is 36699964091.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 19046999663 - 2⁶ = 19046999599 is a prime.

It is a super-2 number, since 2×19046999663² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19046999596 and 19046999605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19046999669) 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 3 ways as a sum of consecutive naturals, for example, 68168 + ... + 206738.

It is an arithmetic number, because the mean of its divisors is an integer number (4761818922).

Almost surely, 2^19046999663 is an apocalyptic number.

19046999663 is a deficient number, since it is larger than the sum of its proper divisors (276025).

19046999663 is a wasteful number, since it uses less digits than its factorization.

19046999663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276024.

The product of its (nonzero) digits is 17006112, while the sum is 62.

The spelling of 19046999663 in words is "nineteen billion, forty-six million, nine hundred ninety-nine thousand, six hundred sixty-three".