8469636349 has 4 divisors (see below), whose sum is σ = 8472081340. Its totient is φ = 8467191360.

The previous prime is 8469636319. The next prime is 8469636359. The reversal of 8469636349 is 9436369648.

8469636349 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4464645124 + 4004991225 = 66818^2 + 63285^2 .

It is a cyclic number.

It is not a de Polignac number, because 8469636349 - 2²³ = 8461247741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8469636293 and 8469636302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8469636319) 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, 1217292 + ... + 1224229.

It is an arithmetic number, because the mean of its divisors is an integer number (2118020335).

Almost surely, 2^8469636349 is an apocalyptic number.

It is an amenable number.

8469636349 is a deficient number, since it is larger than the sum of its proper divisors (2444991).

8469636349 is a wasteful number, since it uses less digits than its factorization.

8469636349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444990.

The product of its digits is 20155392, while the sum is 58.

The square root of 8469636349 is about 92030.6272335466. The cubic root of 8469636349 is about 2038.3945741620.

The spelling of 8469636349 in words is "eight billion, four hundred sixty-nine million, six hundred thirty-six thousand, three hundred forty-nine".