34036650421 has 4 divisors (see below), whose sum is σ = 34040603500. Its totient is φ = 34032697344.

The previous prime is 34036650413. The next prime is 34036650433. The reversal of 34036650421 is 12405663043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12405663043 = 5387 ⋅2302889.

It can be written as a sum of positive squares in 2 ways, for example, as 17413705521 + 16622944900 = 131961^2 + 128930^2 .

It is a cyclic number.

It is not a de Polignac number, because 34036650421 - 2³ = 34036650413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34036650481) 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, 1963596 + ... + 1980853.

It is an arithmetic number, because the mean of its divisors is an integer number (8510150875).

Almost surely, 2^34036650421 is an apocalyptic number.

It is an amenable number.

34036650421 is a deficient number, since it is larger than the sum of its proper divisors (3953079).

34036650421 is an equidigital number, since it uses as much as digits as its factorization.

34036650421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953078.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 34036650421 in words is "thirty-four billion, thirty-six million, six hundred fifty thousand, four hundred twenty-one".