8699749161 has 4 divisors (see below), whose sum is σ = 11599665552. Its totient is φ = 5799832772.

The previous prime is 8699749151. The next prime is 8699749181. The reversal of 8699749161 is 1619479968.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 8699749161 - 2⁷ = 8699749033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8699749095 and 8699749104.

It is not an unprimeable number, because it can be changed into a prime (8699749151) 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, 1449958191 + ... + 1449958196.

It is an arithmetic number, because the mean of its divisors is an integer number (2899916388).

Almost surely, 2^8699749161 is an apocalyptic number.

It is an amenable number.

8699749161 is a deficient number, since it is larger than the sum of its proper divisors (2899916391).

8699749161 is a wasteful number, since it uses less digits than its factorization.

8699749161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899916390.

The product of its digits is 5878656, while the sum is 60.

The square root of 8699749161 is about 93272.4458830152. The cubic root of 8699749161 is about 2056.6903496134.

The spelling of 8699749161 in words is "eight billion, six hundred ninety-nine million, seven hundred forty-nine thousand, one hundred sixty-one".