35343335681 has 2 divisors, whose sum is σ = 35343335682. Its totient is φ = 35343335680.

The previous prime is 35343335603. The next prime is 35343335683. The reversal of 35343335681 is 18653334353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24997191025 + 10346144656 = 158105^2 + 101716^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35343335681 is a prime.

It is a super-2 number, since 2×35343335681² (a number of 22 digits) contains 22 as substring.

Together with 35343335683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (35343335683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17671667840 + 17671667841.

It is an arithmetic number, because the mean of its divisors is an integer number (17671667841).

Almost surely, 2^35343335681 is an apocalyptic number.

It is an amenable number.

35343335681 is a deficient number, since it is larger than the sum of its proper divisors (1).

35343335681 is an equidigital number, since it uses as much as digits as its factorization.

35343335681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 44.

The spelling of 35343335681 in words is "thirty-five billion, three hundred forty-three million, three hundred thirty-five thousand, six hundred eighty-one".