3333636681 has 16 divisors (see below), whose sum is σ = 4641105600. Its totient is φ = 2125729088.

The previous prime is 3333636667. The next prime is 3333636701. The reversal of 3333636681 is 1866363333.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3333636681 is a prime.

It is a super-2 number, since 2×3333636681² = 22226267041817391522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3333636611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169746 + ... + 188363.

It is an arithmetic number, because the mean of its divisors is an integer number (290069100).

Almost surely, 2^3333636681 is an apocalyptic number.

It is an amenable number.

3333636681 is a deficient number, since it is larger than the sum of its proper divisors (1307468919).

3333636681 is a wasteful number, since it uses less digits than its factorization.

3333636681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358248.

The product of its digits is 419904, while the sum is 42.

The square root of 3333636681 is about 57737.6539270518. The cubic root of 3333636681 is about 1493.8468949336.

The spelling of 3333636681 in words is "three billion, three hundred thirty-three million, six hundred thirty-six thousand, six hundred eighty-one".