34540005121 has 2 divisors, whose sum is σ = 34540005122. Its totient is φ = 34540005120.

The previous prime is 34540005107. The next prime is 34540005131. The reversal of 34540005121 is 12150004543.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21694049521 + 12845955600 = 147289^2 + 113340^2 .

It is an emirp because it is prime and its reverse (12150004543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34540005121 - 2¹¹ = 34540003073 is a prime.

It is not a weakly prime, because it can be changed into another prime (34540005131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17270002560 + 17270002561.

It is an arithmetic number, because the mean of its divisors is an integer number (17270002561).

Almost surely, 2^34540005121 is an apocalyptic number.

It is an amenable number.

34540005121 is a deficient number, since it is larger than the sum of its proper divisors (1).

34540005121 is an equidigital number, since it uses as much as digits as its factorization.

34540005121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 34540005121 its reverse (12150004543), we get a palindrome (46690009664).

The spelling of 34540005121 in words is "thirty-four billion, five hundred forty million, five thousand, one hundred twenty-one".