9682920839 has 4 divisors (see below), whose sum is σ = 9752582280. Its totient is φ = 9613259400.

The previous prime is 9682920781. The next prime is 9682920859. The reversal of 9682920839 is 9380292869.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9380292869 = 1583 ⋅5925643.

It is a cyclic number.

It is not a de Polignac number, because 9682920839 - 2²⁴ = 9666143623 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 (9682920859) 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, 34830512 + ... + 34830789.

It is an arithmetic number, because the mean of its divisors is an integer number (2438145570).

Almost surely, 2^9682920839 is an apocalyptic number.

9682920839 is a deficient number, since it is larger than the sum of its proper divisors (69661441).

9682920839 is a wasteful number, since it uses less digits than its factorization.

9682920839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69661440.

The product of its (nonzero) digits is 3359232, while the sum is 56.

The square root of 9682920839 is about 98401.8335144219. The cubic root of 9682920839 is about 2131.4188082146.

The spelling of 9682920839 in words is "nine billion, six hundred eighty-two million, nine hundred twenty thousand, eight hundred thirty-nine".