19163134969 has 16 divisors (see below), whose sum is σ = 22010112000. Its totient is φ = 16500687120.

The previous prime is 19163134897. The next prime is 19163134993. The reversal of 19163134969 is 96943136191.

It is a cyclic number.

It is not a de Polignac number, because 19163134969 - 2⁷ = 19163134841 is a prime.

It is a super-2 number, since 2×19163134969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19163134999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1942752 + ... + 1952590.

It is an arithmetic number, because the mean of its divisors is an integer number (1375632000).

Almost surely, 2^19163134969 is an apocalyptic number.

19163134969 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

19163134969 is a deficient number, since it is larger than the sum of its proper divisors (2846977031).

19163134969 is a wasteful number, since it uses less digits than its factorization.

19163134969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19188.

The product of its digits is 944784, while the sum is 52.

The spelling of 19163134969 in words is "nineteen billion, one hundred sixty-three million, one hundred thirty-four thousand, nine hundred sixty-nine".