34122242621 has 2 divisors, whose sum is σ = 34122242622. Its totient is φ = 34122242620.

The previous prime is 34122242617. The next prime is 34122242663. The reversal of 34122242621 is 12624222143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28983360025 + 5138882596 = 170245^2 + 71686^2 .

It is a cyclic number.

It is not a de Polignac number, because 34122242621 - 2² = 34122242617 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34122242611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17061121310 + 17061121311.

It is an arithmetic number, because the mean of its divisors is an integer number (17061121311).

Almost surely, 2^34122242621 is an apocalyptic number.

It is an amenable number.

34122242621 is a deficient number, since it is larger than the sum of its proper divisors (1).

34122242621 is an equidigital number, since it uses as much as digits as its factorization.

34122242621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 29.

Adding to 34122242621 its reverse (12624222143), we get a palindrome (46746464764).

The spelling of 34122242621 in words is "thirty-four billion, one hundred twenty-two million, two hundred forty-two thousand, six hundred twenty-one".