82003390189 has 4 divisors (see below), whose sum is σ = 93718160224. Its totient is φ = 70288620156.

The previous prime is 82003390169. The next prime is 82003390319. The reversal of 82003390189 is 98109330028.

It is a happy number.

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 82003390189 - 2³⁵ = 47643651821 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 (82003390109) 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, 5857385007 + ... + 5857385020.

It is an arithmetic number, because the mean of its divisors is an integer number (23429540056).

Almost surely, 2^82003390189 is an apocalyptic number.

It is an amenable number.

82003390189 is a deficient number, since it is larger than the sum of its proper divisors (11714770035).

82003390189 is a wasteful number, since it uses less digits than its factorization.

82003390189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11714770034.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 82003390189 in words is "eighty-two billion, three million, three hundred ninety thousand, one hundred eighty-nine".