9428630281 has 16 divisors (see below), whose sum is σ = 11835878400. Its totient is φ = 7323445008.

The previous prime is 9428630279. The next prime is 9428630291. The reversal of 9428630281 is 1820368249.

It is a cyclic number.

It is not a de Polignac number, because 9428630281 - 2¹ = 9428630279 is a prime.

It is a super-2 number, since 2×9428630281² (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 (9428630291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1538071 + ... + 1544188.

It is an arithmetic number, because the mean of its divisors is an integer number (739742400).

Almost surely, 2^9428630281 is an apocalyptic number.

It is an amenable number.

9428630281 is a deficient number, since it is larger than the sum of its proper divisors (2407248119).

9428630281 is a wasteful number, since it uses less digits than its factorization.

9428630281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082308.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 9428630281 is about 97101.1342930658. The cubic root of 9428630281 is about 2112.5947788248.

The spelling of 9428630281 in words is "nine billion, four hundred twenty-eight million, six hundred thirty thousand, two hundred eighty-one".