34542544121 has 2 divisors, whose sum is σ = 34542544122. Its totient is φ = 34542544120.

The previous prime is 34542544117. The next prime is 34542544129. The reversal of 34542544121 is 12144524543.

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., 31619952400 + 2922591721 = 177820^2 + 54061^2 .

It is a cyclic number.

It is not a de Polignac number, because 34542544121 - 2² = 34542544117 is a prime.

It is not a weakly prime, because it can be changed into another prime (34542544129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17271272060 + 17271272061.

It is an arithmetic number, because the mean of its divisors is an integer number (17271272061).

Almost surely, 2^34542544121 is an apocalyptic number.

It is an amenable number.

34542544121 is a deficient number, since it is larger than the sum of its proper divisors (1).

34542544121 is an equidigital number, since it uses as much as digits as its factorization.

34542544121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76800, while the sum is 35.

The spelling of 34542544121 in words is "thirty-four billion, five hundred forty-two million, five hundred forty-four thousand, one hundred twenty-one".