34020652621 has 2 divisors, whose sum is σ = 34020652622. Its totient is φ = 34020652620.

The previous prime is 34020652613. The next prime is 34020652639. The reversal of 34020652621 is 12625602043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30072415396 + 3948237225 = 173414^2 + 62835^2 .

It is a cyclic number.

It is not a de Polignac number, because 34020652621 - 2³ = 34020652613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34020652651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17010326310 + 17010326311.

It is an arithmetic number, because the mean of its divisors is an integer number (17010326311).

Almost surely, 2^34020652621 is an apocalyptic number.

It is an amenable number.

34020652621 is a deficient number, since it is larger than the sum of its proper divisors (1).

34020652621 is an equidigital number, since it uses as much as digits as its factorization.

34020652621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 34020652621 in words is "thirty-four billion, twenty million, six hundred fifty-two thousand, six hundred twenty-one".