8672342489 has 8 divisors (see below), whose sum is σ = 8816612040. Its totient is φ = 8528140800.

The previous prime is 8672342479. The next prime is 8672342507. The reversal of 8672342489 is 9842432768.

It can be written as a sum of positive squares in 4 ways, for example, as 3731377225 + 4940965264 = 61085^2 + 70292^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8672342489 - 2²⁰ = 8671293913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8672342489.

It is not an unprimeable number, because it can be changed into a prime (8672342479) 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, 284969 + ... + 313929.

It is an arithmetic number, because the mean of its divisors is an integer number (1102076505).

Almost surely, 2^8672342489 is an apocalyptic number.

It is an amenable number.

8672342489 is a deficient number, since it is larger than the sum of its proper divisors (144269551).

8672342489 is a wasteful number, since it uses less digits than its factorization.

8672342489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33931.

The product of its digits is 4644864, while the sum is 53.

The square root of 8672342489 is about 93125.4126917030. The cubic root of 8672342489 is about 2054.5283588367.

The spelling of 8672342489 in words is "eight billion, six hundred seventy-two million, three hundred forty-two thousand, four hundred eighty-nine".