35336866681 has 2 divisors, whose sum is σ = 35336866682. Its totient is φ = 35336866680.

The previous prime is 35336866651. The next prime is 35336866693. The reversal of 35336866681 is 18666863353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18840033081 + 16496833600 = 137259^2 + 128440^2 .

It is a cyclic number.

It is not a de Polignac number, because 35336866681 - 2³³ = 26746932089 is a prime.

It is a super-2 number, since 2×35336866681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (35336866651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17668433340 + 17668433341.

It is an arithmetic number, because the mean of its divisors is an integer number (17668433341).

Almost surely, 2^35336866681 is an apocalyptic number.

It is an amenable number.

35336866681 is a deficient number, since it is larger than the sum of its proper divisors (1).

35336866681 is an equidigital number, since it uses as much as digits as its factorization.

35336866681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11197440, while the sum is 55.

The spelling of 35336866681 in words is "thirty-five billion, three hundred thirty-six million, eight hundred sixty-six thousand, six hundred eighty-one".