9216606401 has 2 divisors, whose sum is σ = 9216606402. Its totient is φ = 9216606400.

The previous prime is 9216606331. The next prime is 9216606403. The reversal of 9216606401 is 1046066129.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5613605776 + 3603000625 = 74924^2 + 60025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9216606401 is a prime.

Together with 9216606403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9216606403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4608303200 + 4608303201.

It is an arithmetic number, because the mean of its divisors is an integer number (4608303201).

Almost surely, 2^9216606401 is an apocalyptic number.

It is an amenable number.

9216606401 is a deficient number, since it is larger than the sum of its proper divisors (1).

9216606401 is an equidigital number, since it uses as much as digits as its factorization.

9216606401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 9216606401 is about 96003.1582865897. The cubic root of 9216606401 is about 2096.6390987394.

The spelling of 9216606401 in words is "nine billion, two hundred sixteen million, six hundred six thousand, four hundred one".