34306116421 has 2 divisors, whose sum is σ = 34306116422. Its totient is φ = 34306116420.

The previous prime is 34306116407. The next prime is 34306116443. The reversal of 34306116421 is 12461160343.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34304225796 + 1890625 = 185214^2 + 1375^2 .

It is an emirp because it is prime and its reverse (12461160343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34306116421 - 2¹⁷ = 34305985349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34306116461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17153058210 + 17153058211.

It is an arithmetic number, because the mean of its divisors is an integer number (17153058211).

Almost surely, 2^34306116421 is an apocalyptic number.

It is an amenable number.

34306116421 is a deficient number, since it is larger than the sum of its proper divisors (1).

34306116421 is an equidigital number, since it uses as much as digits as its factorization.

34306116421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 34306116421 its reverse (12461160343), we get a palindrome (46767276764).

The spelling of 34306116421 in words is "thirty-four billion, three hundred six million, one hundred sixteen thousand, four hundred twenty-one".