34185521020481 has 4 divisors (see below), whose sum is σ = 34185961786452. Its totient is φ = 34185080254512.

The previous prime is 34185521020477. The next prime is 34185521020529. The reversal of 34185521020481 is 18402012558143.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32969231869456 + 1216289151025 = 5741884^2 + 1102855^2 .

It is a cyclic number.

It is not a de Polignac number, because 34185521020481 - 2² = 34185521020477 is a prime.

It is a super-2 number, since 2×34185521020481² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34185521020421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220266626 + ... + 220421771.

It is an arithmetic number, because the mean of its divisors is an integer number (8546490446613).

Almost surely, 2^{34185521020481} is an apocalyptic number.

It is an amenable number.

34185521020481 is a deficient number, since it is larger than the sum of its proper divisors (440765971).

34185521020481 is an equidigital number, since it uses as much as digits as its factorization.

34185521020481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440765970.

The product of its (nonzero) digits is 307200, while the sum is 44.

The spelling of 34185521020481 in words is "thirty-four trillion, one hundred eighty-five billion, five hundred twenty-one million, twenty thousand, four hundred eighty-one".