8219663142 has 8 divisors (see below), whose sum is σ = 16439326296. Its totient is φ = 2739887712.

The previous prime is 8219663119. The next prime is 8219663143. The reversal of 8219663142 is 2413669128.

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

8219663142 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 8219663094 and 8219663103.

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, 684971923 + ... + 684971934.

It is an arithmetic number, because the mean of its divisors is an integer number (2054915787).

Almost surely, 2^8219663142 is an apocalyptic number.

8219663142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8219663142 is a wasteful number, since it uses less digits than its factorization.

8219663142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369943862.

The product of its digits is 124416, while the sum is 42.

The square root of 8219663142 is about 90662.3579110978. The cubic root of 8219663142 is about 2018.1402304064.

The spelling of 8219663142 in words is "eight billion, two hundred nineteen million, six hundred sixty-three thousand, one hundred forty-two".