3343561861 has 2 divisors, whose sum is σ = 3343561862. Its totient is φ = 3343561860.

The previous prime is 3343561813. The next prime is 3343561889. The reversal of 3343561861 is 1681653433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3069824836 + 273737025 = 55406^2 + 16545^2 .

It is a cyclic number.

It is not a de Polignac number, because 3343561861 - 2¹⁵ = 3343529093 is a prime.

It is a super-2 number, since 2×3343561861² = 22358811836667566642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3343567861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1671780930 + 1671780931.

It is an arithmetic number, because the mean of its divisors is an integer number (1671780931).

Almost surely, 2^3343561861 is an apocalyptic number.

It is an amenable number.

3343561861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3343561861 is an equidigital number, since it uses as much as digits as its factorization.

3343561861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 3343561861 is about 57823.5407165628. The cubic root of 3343561861 is about 1495.3279610690.

The spelling of 3343561861 in words is "three billion, three hundred forty-three million, five hundred sixty-one thousand, eight hundred sixty-one".