34621406209 has 4 divisors (see below), whose sum is σ = 37284591316. Its totient is φ = 31958221104.

The previous prime is 34621406207. The next prime is 34621406221. The reversal of 34621406209 is 90260412643.

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 12260689984 + 22360716225 = 110728^2 + 149535^2 .

It is a cyclic number.

It is not a de Polignac number, because 34621406209 - 2¹ = 34621406207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34621406201) 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, 1331592534 + ... + 1331592559.

It is an arithmetic number, because the mean of its divisors is an integer number (9321147829).

Almost surely, 2^34621406209 is an apocalyptic number.

It is an amenable number.

34621406209 is a deficient number, since it is larger than the sum of its proper divisors (2663185107).

34621406209 is a wasteful number, since it uses less digits than its factorization.

34621406209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663185106.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 34621406209 in words is "thirty-four billion, six hundred twenty-one million, four hundred six thousand, two hundred nine".