19282161863 has 4 divisors (see below), whose sum is σ = 19343766528. Its totient is φ = 19220557200.

The previous prime is 19282161737. The next prime is 19282161881. The reversal of 19282161863 is 36816128291.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19282161863 - 2¹⁰ = 19282160839 is a prime.

It is a super-2 number, since 2×19282161863² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19282161883) 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, 30801863 + ... + 30802488.

It is an arithmetic number, because the mean of its divisors is an integer number (4835941632).

Almost surely, 2^19282161863 is an apocalyptic number.

19282161863 is a deficient number, since it is larger than the sum of its proper divisors (61604665).

19282161863 is an equidigital number, since it uses as much as digits as its factorization.

19282161863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61604664.

The product of its digits is 248832, while the sum is 47.

The spelling of 19282161863 in words is "nineteen billion, two hundred eighty-two million, one hundred sixty-one thousand, eight hundred sixty-three".