8097306421 has 2 divisors, whose sum is σ = 8097306422. Its totient is φ = 8097306420.

The previous prime is 8097306407. The next prime is 8097306443. The reversal of 8097306421 is 1246037908.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7949683921 + 147622500 = 89161^2 + 12150^2 .

It is a cyclic number.

It is not a de Polignac number, because 8097306421 - 2⁷ = 8097306293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8097306461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4048653210 + 4048653211.

It is an arithmetic number, because the mean of its divisors is an integer number (4048653211).

Almost surely, 2^8097306421 is an apocalyptic number.

It is an amenable number.

8097306421 is a deficient number, since it is larger than the sum of its proper divisors (1).

8097306421 is an equidigital number, since it uses as much as digits as its factorization.

8097306421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 8097306421 is about 89985.0344279536. The cubic root of 8097306421 is about 2008.0762119195.

The spelling of 8097306421 in words is "eight billion, ninety-seven million, three hundred six thousand, four hundred twenty-one".