19163347485 has 16 divisors (see below), whose sum is σ = 30663087936. Its totient is φ = 10219874688.

The previous prime is 19163347471. The next prime is 19163347537. The reversal of 19163347485 is 58474336191.

It is not a de Polignac number, because 19163347485 - 2⁶ = 19163347421 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 446697 + ... + 487713.

It is an arithmetic number, because the mean of its divisors is an integer number (1916442996).

Almost surely, 2^19163347485 is an apocalyptic number.

19163347485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19163347485 is a deficient number, since it is larger than the sum of its proper divisors (11499740451).

19163347485 is a wasteful number, since it uses less digits than its factorization.

19163347485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72172.

The product of its digits is 2177280, while the sum is 51.

The spelling of 19163347485 in words is "nineteen billion, one hundred sixty-three million, three hundred forty-seven thousand, four hundred eighty-five".