8382428973 has 6 divisors (see below), whose sum is σ = 12107952974. Its totient is φ = 5588285976.

The previous prime is 8382428947. The next prime is 8382429001. The reversal of 8382428973 is 3798242838.

It can be written as a sum of positive squares in only one way, i.e., 8032102884 + 350326089 = 89622^2 + 18717^2 .

It is not a de Polignac number, because 8382428973 - 2²¹ = 8380331821 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 (8382428903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 465690490 + ... + 465690507.

Almost surely, 2^8382428973 is an apocalyptic number.

It is an amenable number.

8382428973 is a deficient number, since it is larger than the sum of its proper divisors (3725524001).

8382428973 is a wasteful number, since it uses less digits than its factorization.

8382428973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931381003 (or 931381000 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 8382428973 is about 91555.6059070115. The cubic root of 8382428973 is about 2031.3743330878.

The spelling of 8382428973 in words is "eight billion, three hundred eighty-two million, four hundred twenty-eight thousand, nine hundred seventy-three".