34353354521 has 4 divisors (see below), whose sum is σ = 34357841700. Its totient is φ = 34348867344.

The previous prime is 34353354487. The next prime is 34353354533. The reversal of 34353354521 is 12545335343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12545335343 = 42667 ⋅294029.

It can be written as a sum of positive squares in 2 ways, for example, as 21462250000 + 12891104521 = 146500^2 + 113539^2 .

It is a cyclic number.

It is not a de Polignac number, because 34353354521 - 2¹⁰ = 34353353497 is a prime.

It is a super-2 number, since 2×34353354521² (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 (34353344521) 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, 2232086 + ... + 2247423.

It is an arithmetic number, because the mean of its divisors is an integer number (8589460425).

Almost surely, 2^34353354521 is an apocalyptic number.

It is an amenable number.

34353354521 is a deficient number, since it is larger than the sum of its proper divisors (4487179).

34353354521 is an equidigital number, since it uses as much as digits as its factorization.

34353354521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4487178.

The product of its digits is 324000, while the sum is 38.

Adding to 34353354521 its reverse (12545335343), we get a palindrome (46898689864).

The spelling of 34353354521 in words is "thirty-four billion, three hundred fifty-three million, three hundred fifty-four thousand, five hundred twenty-one".