34115332421 has 2 divisors, whose sum is σ = 34115332422. Its totient is φ = 34115332420.

The previous prime is 34115332373. The next prime is 34115332423. The reversal of 34115332421 is 12423351143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30725181796 + 3390150625 = 175286^2 + 58225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34115332421 is a prime.

Together with 34115332423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34115332423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17057666210 + 17057666211.

It is an arithmetic number, because the mean of its divisors is an integer number (17057666211).

Almost surely, 2^34115332421 is an apocalyptic number.

It is an amenable number.

34115332421 is a deficient number, since it is larger than the sum of its proper divisors (1).

34115332421 is an equidigital number, since it uses as much as digits as its factorization.

34115332421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

Adding to 34115332421 its reverse (12423351143), we get a palindrome (46538683564).

The spelling of 34115332421 in words is "thirty-four billion, one hundred fifteen million, three hundred thirty-two thousand, four hundred twenty-one".