9849371138 has 8 divisors (see below), whose sum is σ = 14873211900. Its totient is φ = 4891633840.

The previous prime is 9849371137. The next prime is 9849371171. The reversal of 9849371138 is 8311739489.

It can be written as a sum of positive squares in 2 ways, for example, as 9487344409 + 362026729 = 97403^2 + 19027^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×9849371138² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9849371138.

It is not an unprimeable number, because it can be changed into a prime (9849371137) 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, 16525493 + ... + 16526088.

Almost surely, 2^9849371138 is an apocalyptic number.

9849371138 is a deficient number, since it is larger than the sum of its proper divisors (5023840762).

9849371138 is a wasteful number, since it uses less digits than its factorization.

9849371138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33051732.

The product of its digits is 1306368, while the sum is 53.

The square root of 9849371138 is about 99243.9979948410. The cubic root of 9849371138 is about 2143.5625826256.

The spelling of 9849371138 in words is "nine billion, eight hundred forty-nine million, three hundred seventy-one thousand, one hundred thirty-eight".