3336236021 has 4 divisors (see below), whose sum is σ = 3353522412. Its totient is φ = 3318949632.

The previous prime is 3336235979. The next prime is 3336236039. The reversal of 3336236021 is 1206326333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1206326333 = 23 ⋅52448971.

It can be written as a sum of positive squares in 2 ways, for example, as 2039515921 + 1296720100 = 45161^2 + 36010^2 .

It is a cyclic number.

It is not a de Polignac number, because 3336236021 - 2¹⁴ = 3336219637 is a prime.

It is a super-2 number, since 2×3336236021² = 22260941575635824882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3336236921) 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, 8642906 + ... + 8643291.

It is an arithmetic number, because the mean of its divisors is an integer number (838380603).

Almost surely, 2^3336236021 is an apocalyptic number.

It is an amenable number.

3336236021 is a deficient number, since it is larger than the sum of its proper divisors (17286391).

3336236021 is a wasteful number, since it uses less digits than its factorization.

3336236021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17286390.

The product of its (nonzero) digits is 11664, while the sum is 29.

The square root of 3336236021 is about 57760.1594613450. The cubic root of 3336236021 is about 1494.2350603278.

The spelling of 3336236021 in words is "three billion, three hundred thirty-six million, two hundred thirty-six thousand, twenty-one".