35220643266961 has 2 divisors, whose sum is σ = 35220643266962. Its totient is φ = 35220643266960.

The previous prime is 35220643266937. The next prime is 35220643267021. The reversal of 35220643266961 is 16966234602253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35158258713600 + 62384553361 = 5929440^2 + 249769^2 .

It is a cyclic number.

It is not a de Polignac number, because 35220643266961 - 2³⁵ = 35186283528593 is a prime.

It is a super-2 number, since 2×35220643266961² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (35220643266161) 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, 17610321633480 + 17610321633481.

It is an arithmetic number, because the mean of its divisors is an integer number (17610321633481).

Almost surely, 2^{35220643266961} is an apocalyptic number.

It is an amenable number.

35220643266961 is a deficient number, since it is larger than the sum of its proper divisors (1).

35220643266961 is an equidigital number, since it uses as much as digits as its factorization.

35220643266961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16796160, while the sum is 55.

The spelling of 35220643266961 in words is "thirty-five trillion, two hundred twenty billion, six hundred forty-three million, two hundred sixty-six thousand, nine hundred sixty-one".