19089887063 has 8 divisors (see below), whose sum is σ = 20706243600. Its totient is φ = 17494659648.

The previous prime is 19089887059. The next prime is 19089887071. The reversal of 19089887063 is 36078898091.

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

It is a cyclic number.

It is not a de Polignac number, because 19089887063 - 2² = 19089887059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19089886993 and 19089887011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19089887053) 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, 5280398 + ... + 5284011.

It is an arithmetic number, because the mean of its divisors is an integer number (2588280450).

Almost surely, 2^19089887063 is an apocalyptic number.

19089887063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

19089887063 is a deficient number, since it is larger than the sum of its proper divisors (1616356537).

19089887063 is a wasteful number, since it uses less digits than its factorization.

19089887063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10564561.

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 19089887063 in words is "nineteen billion, eighty-nine million, eight hundred eighty-seven thousand, sixty-three".