3338473806981 has 24 divisors (see below), whose sum is σ = 4980471641600. Its totient is φ = 2152696370400.

The previous prime is 3338473806977. The next prime is 3338473806989. The reversal of 3338473806981 is 1896083748333.

3338473806981 is a `hidden beast` number, since 3 + 3 + 3 + 8 + 473 + 80 + 6 + 9 + 81 = 666.

It is not a de Polignac number, because 3338473806981 - 2² = 3338473806977 is a prime.

It is a super-2 number, since 2×3338473806981² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3338473806989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2695681 + ... + 3734118.

Almost surely, 2^{3338473806981} is an apocalyptic number.

3338473806981 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3338473806981 is a deficient number, since it is larger than the sum of its proper divisors (1641997834619).

3338473806981 is a wasteful number, since it uses less digits than its factorization.

3338473806981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6431697 (or 6431694 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 3338473806981 in words is "three trillion, three hundred thirty-eight billion, four hundred seventy-three million, eight hundred six thousand, nine hundred eighty-one".