34202341721 has 2 divisors, whose sum is σ = 34202341722. Its totient is φ = 34202341720.

The previous prime is 34202341709. The next prime is 34202341729. The reversal of 34202341721 is 12714320243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33564072025 + 638269696 = 183205^2 + 25264^2 .

It is a cyclic number.

It is not a de Polignac number, because 34202341721 - 2¹⁸ = 34202079577 is a prime.

It is not a weakly prime, because it can be changed into another prime (34202341729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17101170860 + 17101170861.

It is an arithmetic number, because the mean of its divisors is an integer number (17101170861).

Almost surely, 2^34202341721 is an apocalyptic number.

It is an amenable number.

34202341721 is a deficient number, since it is larger than the sum of its proper divisors (1).

34202341721 is an equidigital number, since it uses as much as digits as its factorization.

34202341721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 34202341721 its reverse (12714320243), we get a palindrome (46916661964).

The spelling of 34202341721 in words is "thirty-four billion, two hundred two million, three hundred forty-one thousand, seven hundred twenty-one".