34558072121 has 2 divisors, whose sum is σ = 34558072122. Its totient is φ = 34558072120.

The previous prime is 34558072099. The next prime is 34558072127. The reversal of 34558072121 is 12127085543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21481006096 + 13077066025 = 146564^2 + 114355^2 .

It is a cyclic number.

It is not a de Polignac number, because 34558072121 - 2⁶ = 34558072057 is a prime.

It is not a weakly prime, because it can be changed into another prime (34558072127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17279036060 + 17279036061.

It is an arithmetic number, because the mean of its divisors is an integer number (17279036061).

Almost surely, 2^34558072121 is an apocalyptic number.

It is an amenable number.

34558072121 is a deficient number, since it is larger than the sum of its proper divisors (1).

34558072121 is an equidigital number, since it uses as much as digits as its factorization.

34558072121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 34558072121 in words is "thirty-four billion, five hundred fifty-eight million, seventy-two thousand, one hundred twenty-one".