82193642929 has 4 divisors (see below), whose sum is σ = 82238731776. Its totient is φ = 82148554084.

The previous prime is 82193642917. The next prime is 82193642939. The reversal of 82193642929 is 92924639128.

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 not a de Polignac number, because 82193642929 - 2¹³ = 82193634737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82193642929.

It is not an unprimeable number, because it can be changed into a prime (82193642939) 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, 22541689 + ... + 22545334.

It is an arithmetic number, because the mean of its divisors is an integer number (20559682944).

Almost surely, 2^82193642929 is an apocalyptic number.

It is an amenable number.

82193642929 is a deficient number, since it is larger than the sum of its proper divisors (45088847).

82193642929 is a wasteful number, since it uses less digits than its factorization.

82193642929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45088846.

The product of its digits is 3359232, while the sum is 55.

The spelling of 82193642929 in words is "eighty-two billion, one hundred ninety-three million, six hundred forty-two thousand, nine hundred twenty-nine".