34343154221 has 2 divisors, whose sum is σ = 34343154222. Its totient is φ = 34343154220.

The previous prime is 34343154211. The next prime is 34343154229. The reversal of 34343154221 is 12245134343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28670955625 + 5672198596 = 169325^2 + 75314^2 .

It is a cyclic number.

It is not a de Polignac number, because 34343154221 - 2¹⁰ = 34343153197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34343154229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17171577110 + 17171577111.

It is an arithmetic number, because the mean of its divisors is an integer number (17171577111).

Almost surely, 2^34343154221 is an apocalyptic number.

It is an amenable number.

34343154221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34343154221 is an equidigital number, since it uses as much as digits as its factorization.

34343154221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 32.

Adding to 34343154221 its reverse (12245134343), we get a palindrome (46588288564).

The spelling of 34343154221 in words is "thirty-four billion, three hundred forty-three million, one hundred fifty-four thousand, two hundred twenty-one".