3356335781 has 2 divisors, whose sum is σ = 3356335782. Its totient is φ = 3356335780.

The previous prime is 3356335711. The next prime is 3356335841. The reversal of 3356335781 is 1875336533.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2999314756 + 357021025 = 54766^2 + 18895^2 .

It is a cyclic number.

It is not a de Polignac number, because 3356335781 - 2¹⁰ = 3356334757 is a prime.

It is a super-2 number, since 2×3356335781² = 22529979749641759922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3356335711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1678167890 + 1678167891.

It is an arithmetic number, because the mean of its divisors is an integer number (1678167891).

Almost surely, 2^3356335781 is an apocalyptic number.

It is an amenable number.

3356335781 is a deficient number, since it is larger than the sum of its proper divisors (1).

3356335781 is an equidigital number, since it uses as much as digits as its factorization.

3356335781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 44.

The square root of 3356335781 is about 57933.8914712278. The cubic root of 3356335781 is about 1497.2298177280.

The spelling of 3356335781 in words is "three billion, three hundred fifty-six million, three hundred thirty-five thousand, seven hundred eighty-one".