9613663169 has 4 divisors (see below), whose sum is σ = 10487632560. Its totient is φ = 8739693780.

The previous prime is 9613663151. The next prime is 9613663193.

It is a happy number.

9613663169 is nontrivially palindromic in base 10.

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 9613663169 - 2¹⁶ = 9613597633 is a prime.

It is a super-2 number, since 2×9613663169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9613663139) 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, 436984679 + ... + 436984700.

It is an arithmetic number, because the mean of its divisors is an integer number (2621908140).

Almost surely, 2^9613663169 is an apocalyptic number.

It is an amenable number.

9613663169 is a deficient number, since it is larger than the sum of its proper divisors (873969391).

9613663169 is a wasteful number, since it uses less digits than its factorization.

9613663169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873969390.

The product of its digits is 944784, while the sum is 50.

The square root of 9613663169 is about 98049.2894874818. The cubic root of 9613663169 is about 2126.3249439824.

The spelling of 9613663169 in words is "nine billion, six hundred thirteen million, six hundred sixty-three thousand, one hundred sixty-nine".