34121052109 has 2 divisors, whose sum is σ = 34121052110. Its totient is φ = 34121052108.

The previous prime is 34121052107. The next prime is 34121052139. The reversal of 34121052109 is 90125012143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32982192100 + 1138860009 = 181610^2 + 33747^2 .

It is a cyclic number.

It is not a de Polignac number, because 34121052109 - 2¹ = 34121052107 is a prime.

Together with 34121052107, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34121052101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17060526054 + 17060526055.

It is an arithmetic number, because the mean of its divisors is an integer number (17060526055).

Almost surely, 2^34121052109 is an apocalyptic number.

It is an amenable number.

34121052109 is a deficient number, since it is larger than the sum of its proper divisors (1).

34121052109 is an equidigital number, since it uses as much as digits as its factorization.

34121052109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 34121052109 in words is "thirty-four billion, one hundred twenty-one million, fifty-two thousand, one hundred nine".