82435756219 has 4 divisors (see below), whose sum is σ = 83596823280. Its totient is φ = 81274689160.

The previous prime is 82435756217. The next prime is 82435756237. The reversal of 82435756219 is 91265753428.

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 82435756219 - 2¹ = 82435756217 is a prime.

It is a super-2 number, since 2×82435756219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82435756217) 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, 580533424 + ... + 580533565.

It is an arithmetic number, because the mean of its divisors is an integer number (20899205820).

Almost surely, 2^82435756219 is an apocalyptic number.

82435756219 is a deficient number, since it is larger than the sum of its proper divisors (1161067061).

82435756219 is a wasteful number, since it uses less digits than its factorization.

82435756219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161067060.

The product of its digits is 3628800, while the sum is 52.

The spelling of 82435756219 in words is "eighty-two billion, four hundred thirty-five million, seven hundred fifty-six thousand, two hundred nineteen".