34210664321 has 4 divisors (see below), whose sum is σ = 34211071812. Its totient is φ = 34210256832.

The previous prime is 34210664287. The next prime is 34210664329. The reversal of 34210664321 is 12346601243.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12346601243 = 829 ⋅14893367.

It can be written as a sum of positive squares in 2 ways, for example, as 10360186225 + 23850478096 = 101785^2 + 154436^2 .

It is a cyclic number.

It is not a de Polignac number, because 34210664321 - 2¹⁰ = 34210663297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34210664329) 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, 26300 + ... + 262893.

It is an arithmetic number, because the mean of its divisors is an integer number (8552767953).

Almost surely, 2^34210664321 is an apocalyptic number.

It is an amenable number.

34210664321 is a deficient number, since it is larger than the sum of its proper divisors (407491).

34210664321 is a wasteful number, since it uses less digits than its factorization.

34210664321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407490.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 34210664321 in words is "thirty-four billion, two hundred ten million, six hundred sixty-four thousand, three hundred twenty-one".