8219663141 has 4 divisors (see below), whose sum is σ = 8222140032. Its totient is φ = 8217186252.

The previous prime is 8219663119. The next prime is 8219663143. The reversal of 8219663141 is 1413669128.

8219663141 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8219663141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8219663143) 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, 1233461 + ... + 1240106.

It is an arithmetic number, because the mean of its divisors is an integer number (2055535008).

Almost surely, 2^8219663141 is an apocalyptic number.

It is an amenable number.

8219663141 is a deficient number, since it is larger than the sum of its proper divisors (2476891).

8219663141 is a wasteful number, since it uses less digits than its factorization.

8219663141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476890.

The product of its digits is 62208, while the sum is 41.

The square root of 8219663141 is about 90662.3579055828. The cubic root of 8219663141 is about 2018.1402303245.

The spelling of 8219663141 in words is "eight billion, two hundred nineteen million, six hundred sixty-three thousand, one hundred forty-one".