3340555321 has 2 divisors, whose sum is σ = 3340555322. Its totient is φ = 3340555320.

The previous prime is 3340555303. The next prime is 3340555331. The reversal of 3340555321 is 1235550433.

3340555321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3264865321 + 75690000 = 57139^2 + 8700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3340555321 is a prime.

It is a super-2 number, since 2×3340555321² = 22318619705322826082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3340555331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1670277660 + 1670277661.

It is an arithmetic number, because the mean of its divisors is an integer number (1670277661).

Almost surely, 2^3340555321 is an apocalyptic number.

It is an amenable number.

3340555321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3340555321 is an equidigital number, since it uses as much as digits as its factorization.

3340555321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 3340555321 is about 57797.5373264294. The cubic root of 3340555321 is about 1494.8796256588.

The spelling of 3340555321 in words is "three billion, three hundred forty million, five hundred fifty-five thousand, three hundred twenty-one".