34219066681 has 2 divisors, whose sum is σ = 34219066682. Its totient is φ = 34219066680.

The previous prime is 34219066669. The next prime is 34219066729. The reversal of 34219066681 is 18666091243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33973862400 + 245204281 = 184320^2 + 15659^2 .

It is an emirp because it is prime and its reverse (18666091243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34219066681 - 2¹⁵ = 34219033913 is a prime.

It is a super-4 number, since 4×34219066681⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (34219066631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17109533340 + 17109533341.

It is an arithmetic number, because the mean of its divisors is an integer number (17109533341).

Almost surely, 2^34219066681 is an apocalyptic number.

It is an amenable number.

34219066681 is a deficient number, since it is larger than the sum of its proper divisors (1).

34219066681 is an equidigital number, since it uses as much as digits as its factorization.

34219066681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 34219066681 in words is "thirty-four billion, two hundred nineteen million, sixty-six thousand, six hundred eighty-one".