9930281272 has 16 divisors (see below), whose sum is σ = 18672633000. Its totient is φ = 4950912480.

The previous prime is 9930281261. The next prime is 9930281311. The reversal of 9930281272 is 2721820399.

It is a super-2 number, since 2×9930281272² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1775554 + ... + 1781137.

Almost surely, 2^9930281272 is an apocalyptic number.

It is an amenable number.

9930281272 is a deficient number, since it is larger than the sum of its proper divisors (8742351728).

9930281272 is a wasteful number, since it uses less digits than its factorization.

9930281272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557046 (or 3557042 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 9930281272 is about 99650.7966450846. The cubic root of 9930281272 is about 2149.4161942564.

The spelling of 9930281272 in words is "nine billion, nine hundred thirty million, two hundred eighty-one thousand, two hundred seventy-two".