34356316121 has 2 divisors, whose sum is σ = 34356316122. Its totient is φ = 34356316120.

The previous prime is 34356316109. The next prime is 34356316187. The reversal of 34356316121 is 12161365343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25837026121 + 8519290000 = 160739^2 + 92300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34356316121 is a prime.

It is not a weakly prime, because it can be changed into another prime (34356316921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17178158060 + 17178158061.

It is an arithmetic number, because the mean of its divisors is an integer number (17178158061).

Almost surely, 2^34356316121 is an apocalyptic number.

It is an amenable number.

34356316121 is a deficient number, since it is larger than the sum of its proper divisors (1).

34356316121 is an equidigital number, since it uses as much as digits as its factorization.

34356316121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The spelling of 34356316121 in words is "thirty-four billion, three hundred fifty-six million, three hundred sixteen thousand, one hundred twenty-one".