9286490321 has 2 divisors, whose sum is σ = 9286490322. Its totient is φ = 9286490320.

The previous prime is 9286490237. The next prime is 9286490341. The reversal of 9286490321 is 1230946829.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9074467600 + 212022721 = 95260^2 + 14561^2 .

It is a cyclic number.

It is not a de Polignac number, because 9286490321 - 2¹⁰ = 9286489297 is a prime.

It is not a weakly prime, because it can be changed into another prime (9286490341) 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 as a sum of consecutive naturals, namely, 4643245160 + 4643245161.

It is an arithmetic number, because the mean of its divisors is an integer number (4643245161).

Almost surely, 2^9286490321 is an apocalyptic number.

It is an amenable number.

9286490321 is a deficient number, since it is larger than the sum of its proper divisors (1).

9286490321 is an equidigital number, since it uses as much as digits as its factorization.

9286490321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 9286490321 is about 96366.4377311935. The cubic root of 9286490321 is about 2101.9249410325.

The spelling of 9286490321 in words is "nine billion, two hundred eighty-six million, four hundred ninety thousand, three hundred twenty-one".