97505668933 has 2 divisors, whose sum is σ = 97505668934. Its totient is φ = 97505668932.

The previous prime is 97505668919. The next prime is 97505668969. The reversal of 97505668933 is 33986650579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49256031969 + 48249636964 = 221937^2 + 219658^2 .

It is a cyclic number.

It is not a de Polignac number, because 97505668933 - 2²⁹ = 96968798021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97505668973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48752834466 + 48752834467.

It is an arithmetic number, because the mean of its divisors is an integer number (48752834467).

Almost surely, 2^97505668933 is an apocalyptic number.

It is an amenable number.

97505668933 is a deficient number, since it is larger than the sum of its proper divisors (1).

97505668933 is an equidigital number, since it uses as much as digits as its factorization.

97505668933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36741600, while the sum is 61.

The spelling of 97505668933 in words is "ninety-seven billion, five hundred five million, six hundred sixty-eight thousand, nine hundred thirty-three".