3353120681 has 8 divisors (see below), whose sum is σ = 3560904360. Its totient is φ = 3146508288.

The previous prime is 3353120633. The next prime is 3353120699. The reversal of 3353120681 is 1860213533.

It can be written as a sum of positive squares in 4 ways, for example, as 1735472281 + 1617648400 = 41659^2 + 40220^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3353120681 is a prime.

It is a super-2 number, since 2×3353120681² = 22486836602699807522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3353123681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286916 + ... + 298373.

It is an arithmetic number, because the mean of its divisors is an integer number (445113045).

Almost surely, 2^3353120681 is an apocalyptic number.

It is an amenable number.

3353120681 is a deficient number, since it is larger than the sum of its proper divisors (207783679).

3353120681 is a wasteful number, since it uses less digits than its factorization.

3353120681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585643.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 3353120681 is about 57906.1368164031. The cubic root of 3353120681 is about 1496.7515897060.

The spelling of 3353120681 in words is "three billion, three hundred fifty-three million, one hundred twenty thousand, six hundred eighty-one".