3043393681 has 2 divisors, whose sum is σ = 3043393682. Its totient is φ = 3043393680.

The previous prime is 3043393627. The next prime is 3043393693. The reversal of 3043393681 is 1863933403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2151475456 + 891918225 = 46384^2 + 29865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3043393681 is a prime.

It is a super-2 number, since 2×3043393681² = 18524490195101459522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3043393981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1521696840 + 1521696841.

It is an arithmetic number, because the mean of its divisors is an integer number (1521696841).

Almost surely, 2^3043393681 is an apocalyptic number.

It is an amenable number.

3043393681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3043393681 is an equidigital number, since it uses as much as digits as its factorization.

3043393681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 3043393681 is about 55166.9618612445. The cubic root of 3043393681 is about 1449.1701444153.

The spelling of 3043393681 in words is "three billion, forty-three million, three hundred ninety-three thousand, six hundred eighty-one".