8142683952479 has 4 divisors (see below), whose sum is σ = 8142908496840. Its totient is φ = 8142459408120.

The previous prime is 8142683952443. The next prime is 8142683952521. The reversal of 8142683952479 is 9742593862418.

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 8142683952479 - 2²⁸ = 8142415517023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142683955479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112217777 + ... + 112290314.

It is an arithmetic number, because the mean of its divisors is an integer number (2035727124210).

Almost surely, 2^{8142683952479} is an apocalyptic number.

8142683952479 is a deficient number, since it is larger than the sum of its proper divisors (224544361).

8142683952479 is a wasteful number, since it uses less digits than its factorization.

8142683952479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224544360.

The product of its digits is 209018880, while the sum is 68.

The spelling of 8142683952479 in words is "eight trillion, one hundred forty-two billion, six hundred eighty-three million, nine hundred fifty-two thousand, four hundred seventy-nine".