97501606009 has 2 divisors, whose sum is σ = 97501606010. Its totient is φ = 97501606008.

The previous prime is 97501605997. The next prime is 97501606021. The reversal of 97501606009 is 90060610579.

It is a balanced prime because it is at equal distance from previous prime (97501605997) and next prime (97501606021).

It can be written as a sum of positive squares in only one way, i.e., 84567548025 + 12934057984 = 290805^2 + 113728^2 .

It is an emirp because it is prime and its reverse (90060610579) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97501606009 - 2⁷ = 97501605881 is a prime.

It is not a weakly prime, because it can be changed into another prime (97501606099) 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 as a sum of consecutive naturals, namely, 48750803004 + 48750803005.

It is an arithmetic number, because the mean of its divisors is an integer number (48750803005).

Almost surely, 2^97501606009 is an apocalyptic number.

It is an amenable number.

97501606009 is a deficient number, since it is larger than the sum of its proper divisors (1).

97501606009 is an equidigital number, since it uses as much as digits as its factorization.

97501606009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 43.

The spelling of 97501606009 in words is "ninety-seven billion, five hundred one million, six hundred six thousand, nine".