34069542821 has 2 divisors, whose sum is σ = 34069542822. Its totient is φ = 34069542820.

The previous prime is 34069542799. The next prime is 34069542889. The reversal of 34069542821 is 12824596043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30097392196 + 3972150625 = 173486^2 + 63025^2 .

It is a cyclic number.

It is not a de Polignac number, because 34069542821 - 2¹⁸ = 34069280677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34069442821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17034771410 + 17034771411.

It is an arithmetic number, because the mean of its divisors is an integer number (17034771411).

Almost surely, 2^34069542821 is an apocalyptic number.

It is an amenable number.

34069542821 is a deficient number, since it is larger than the sum of its proper divisors (1).

34069542821 is an equidigital number, since it uses as much as digits as its factorization.

34069542821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 34069542821 in words is "thirty-four billion, sixty-nine million, five hundred forty-two thousand, eight hundred twenty-one".