9930281276 has 6 divisors (see below), whose sum is σ = 17377992240. Its totient is φ = 4965140636.

The previous prime is 9930281261. The next prime is 9930281311. The reversal of 9930281276 is 6721820399.

It is a happy number.

It is a super-2 number, since 2×9930281276² (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 9930281276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1241285156 + ... + 1241285163.

It is an arithmetic number, because the mean of its divisors is an integer number (2896332040).

Almost surely, 2^9930281276 is an apocalyptic number.

It is an amenable number.

9930281276 is a deficient number, since it is larger than the sum of its proper divisors (7447710964).

9930281276 is a wasteful number, since it uses less digits than its factorization.

9930281276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482570323 (or 2482570321 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 9930281276 is about 99650.7966651547. The cubic root of 9930281276 is about 2149.4161945450.

The spelling of 9930281276 in words is "nine billion, nine hundred thirty million, two hundred eighty-one thousand, two hundred seventy-six".