34681088621 has 2 divisors, whose sum is σ = 34681088622. Its totient is φ = 34681088620.

The previous prime is 34681088609. The next prime is 34681088647. The reversal of 34681088621 is 12688018643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19631932996 + 15049155625 = 140114^2 + 122675^2 .

It is a cyclic number.

It is not a de Polignac number, because 34681088621 - 2⁶ = 34681088557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34681088021) 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, 17340544310 + 17340544311.

It is an arithmetic number, because the mean of its divisors is an integer number (17340544311).

Almost surely, 2^34681088621 is an apocalyptic number.

It is an amenable number.

34681088621 is a deficient number, since it is larger than the sum of its proper divisors (1).

34681088621 is an equidigital number, since it uses as much as digits as its factorization.

34681088621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 34681088621 in words is "thirty-four billion, six hundred eighty-one million, eighty-eight thousand, six hundred twenty-one".