9353638149 has 4 divisors (see below), whose sum is σ = 12471517536. Its totient is φ = 6235758764.

The previous prime is 9353638139. The next prime is 9353638199. The reversal of 9353638149 is 9418363539.

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 9353638149 - 2⁸ = 9353637893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9353638109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1558939689 + ... + 1558939694.

It is an arithmetic number, because the mean of its divisors is an integer number (3117879384).

Almost surely, 2^9353638149 is an apocalyptic number.

It is an amenable number.

9353638149 is a deficient number, since it is larger than the sum of its proper divisors (3117879387).

9353638149 is a wasteful number, since it uses less digits than its factorization.

9353638149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117879386.

The product of its digits is 2099520, while the sum is 51.

The square root of 9353638149 is about 96714.2086200368. The cubic root of 9353638149 is about 2106.9789090334.

The spelling of 9353638149 in words is "nine billion, three hundred fifty-three million, six hundred thirty-eight thousand, one hundred forty-nine".