34663952396681 has 2 divisors, whose sum is σ = 34663952396682. Its totient is φ = 34663952396680.

The previous prime is 34663952396651. The next prime is 34663952396683. The reversal of 34663952396681 is 18669325936643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18339249529225 + 16324702867456 = 4282435^2 + 4040384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34663952396681 is a prime.

It is a super-2 number, since 2×34663952396681² (a number of 28 digits) contains 22 as substring.

Together with 34663952396683, 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 (34663952396683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17331976198340 + 17331976198341.

It is an arithmetic number, because the mean of its divisors is an integer number (17331976198341).

Almost surely, 2^{34663952396681} is an apocalyptic number.

It is an amenable number.

34663952396681 is a deficient number, since it is larger than the sum of its proper divisors (1).

34663952396681 is an equidigital number, since it uses as much as digits as its factorization.

34663952396681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 906992640, while the sum is 71.

The spelling of 34663952396681 in words is "thirty-four trillion, six hundred sixty-three billion, nine hundred fifty-two million, three hundred ninety-six thousand, six hundred eighty-one".