9420643363097 has 2 divisors, whose sum is σ = 9420643363098. Its totient is φ = 9420643363096.

The previous prime is 9420643363051. The next prime is 9420643363129. The reversal of 9420643363097 is 7903633460249.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9193442420761 + 227200942336 = 3032069^2 + 476656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9420643363097 is a prime.

It is not a weakly prime, because it can be changed into another prime (9420643363007) 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, 4710321681548 + 4710321681549.

It is an arithmetic number, because the mean of its divisors is an integer number (4710321681549).

Almost surely, 2^{9420643363097} is an apocalyptic number.

It is an amenable number.

9420643363097 is a deficient number, since it is larger than the sum of its proper divisors (1).

9420643363097 is an equidigital number, since it uses as much as digits as its factorization.

9420643363097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17635968, while the sum is 56.

The spelling of 9420643363097 in words is "nine trillion, four hundred twenty billion, six hundred forty-three million, three hundred sixty-three thousand, ninety-seven".