8739913289 has 4 divisors (see below), whose sum is σ = 8870359824. Its totient is φ = 8609466756.

The previous prime is 8739913283. The next prime is 8739913321. The reversal of 8739913289 is 9823199378.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9823199378 = 2 ⋅4911599689.

It is a cyclic number.

It is not a de Polignac number, because 8739913289 - 2²⁴ = 8723136073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8739913283) 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, 65223167 + ... + 65223300.

It is an arithmetic number, because the mean of its divisors is an integer number (2217589956).

Almost surely, 2^8739913289 is an apocalyptic number.

It is an amenable number.

8739913289 is a deficient number, since it is larger than the sum of its proper divisors (130446535).

8739913289 is a wasteful number, since it uses less digits than its factorization.

8739913289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130446534.

The product of its digits is 5878656, while the sum is 59.

The square root of 8739913289 is about 93487.5033841422. The cubic root of 8739913289 is about 2059.8505318548.

The spelling of 8739913289 in words is "eight billion, seven hundred thirty-nine million, nine hundred thirteen thousand, two hundred eighty-nine".