9936228149 has 4 divisors (see below), whose sum is σ = 9938986464. Its totient is φ = 9933469836.

The previous prime is 9936228109. The next prime is 9936228151. The reversal of 9936228149 is 9418226399.

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: 9418226399 = 41 ⋅229712839.

It is a cyclic number.

It is not a de Polignac number, because 9936228149 - 2⁸ = 9936227893 is a prime.

It is a super-4 number, since 4×9936228149⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9936228149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9936228109) 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, 1373747 + ... + 1380960.

It is an arithmetic number, because the mean of its divisors is an integer number (2484746616).

Almost surely, 2^9936228149 is an apocalyptic number.

It is an amenable number.

9936228149 is a deficient number, since it is larger than the sum of its proper divisors (2758315).

9936228149 is a wasteful number, since it uses less digits than its factorization.

9936228149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758314.

The product of its digits is 1679616, while the sum is 53.

The square root of 9936228149 is about 99680.6307614473. The cubic root of 9936228149 is about 2149.8451771694.

The spelling of 9936228149 in words is "nine billion, nine hundred thirty-six million, two hundred twenty-eight thousand, one hundred forty-nine".