82339425421 has 8 divisors (see below), whose sum is σ = 95108641344. Its totient is φ = 70450845120.

The previous prime is 82339425409. The next prime is 82339425451. The reversal of 82339425421 is 12452493328.

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

It is not a de Polignac number, because 82339425421 - 2¹⁹ = 82338901133 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 (82339425451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220158705 + ... + 220159078.

It is an arithmetic number, because the mean of its divisors is an integer number (11888580168).

Almost surely, 2^82339425421 is an apocalyptic number.

It is an amenable number.

82339425421 is a deficient number, since it is larger than the sum of its proper divisors (12769215923).

82339425421 is a wasteful number, since it uses less digits than its factorization.

82339425421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440317811.

The product of its digits is 414720, while the sum is 43.

The spelling of 82339425421 in words is "eighty-two billion, three hundred thirty-nine million, four hundred twenty-five thousand, four hundred twenty-one".