34206316421 has 8 divisors (see below), whose sum is σ = 34686350040. Its totient is φ = 33726592512.

The previous prime is 34206316411. The next prime is 34206316451. The reversal of 34206316421 is 12461360243.

It can be written as a sum of positive squares in 4 ways, for example, as 8513752900 + 25692563521 = 92270^2 + 160289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34206316421 - 2³⁰ = 33132574597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34206316411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149651 + ... + 301343.

It is an arithmetic number, because the mean of its divisors is an integer number (4335793755).

Almost surely, 2^34206316421 is an apocalyptic number.

It is an amenable number.

34206316421 is a deficient number, since it is larger than the sum of its proper divisors (480033619).

34206316421 is a wasteful number, since it uses less digits than its factorization.

34206316421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154855.

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

Adding to 34206316421 its reverse (12461360243), we get a palindrome (46667676664).

The spelling of 34206316421 in words is "thirty-four billion, two hundred six million, three hundred sixteen thousand, four hundred twenty-one".