9860949281 has 16 divisors (see below), whose sum is σ = 10066501200. Its totient is φ = 9657584640.

The previous prime is 9860949277. The next prime is 9860949313. The reversal of 9860949281 is 1829490689.

It can be written as a sum of positive squares in 8 ways, for example, as 3956410000 + 5904539281 = 62900^2 + 76841^2 .

It is not a de Polignac number, because 9860949281 - 2² = 9860949277 is a prime.

It is a super-2 number, since 2×9860949281² (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 (9860049281) 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 15 ways as a sum of consecutive naturals, for example, 7464101 + ... + 7465421.

It is an arithmetic number, because the mean of its divisors is an integer number (629156325).

Almost surely, 2^9860949281 is an apocalyptic number.

It is an amenable number.

9860949281 is a deficient number, since it is larger than the sum of its proper divisors (205551919).

9860949281 is a wasteful number, since it uses less digits than its factorization.

9860949281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036.

The product of its (nonzero) digits is 2239488, while the sum is 56.

The square root of 9860949281 is about 99302.3125662238. The cubic root of 9860949281 is about 2144.4021880254.

The spelling of 9860949281 in words is "nine billion, eight hundred sixty million, nine hundred forty-nine thousand, two hundred eighty-one".