34121552521 has 4 divisors (see below), whose sum is σ = 38996060032. Its totient is φ = 29247045012.

The previous prime is 34121552519. The next prime is 34121552557. The reversal of 34121552521 is 12525512143.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12525512143 = 26501 ⋅472643.

It is a cyclic number.

It is not a de Polignac number, because 34121552521 - 2¹ = 34121552519 is a prime.

It is a super-2 number, since 2×34121552521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34121558521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2437253745 + ... + 2437253758.

It is an arithmetic number, because the mean of its divisors is an integer number (9749015008).

Almost surely, 2^34121552521 is an apocalyptic number.

It is an amenable number.

34121552521 is a deficient number, since it is larger than the sum of its proper divisors (4874507511).

34121552521 is an equidigital number, since it uses as much as digits as its factorization.

34121552521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874507510.

The product of its digits is 12000, while the sum is 31.

The spelling of 34121552521 in words is "thirty-four billion, one hundred twenty-one million, five hundred fifty-two thousand, five hundred twenty-one".