3456666361 has 2 divisors, whose sum is σ = 3456666362. Its totient is φ = 3456666360.

The previous prime is 3456666359. The next prime is 3456666379. The reversal of 3456666361 is 1636666543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3108620025 + 348046336 = 55755^2 + 18656^2 .

It is a cyclic number.

It is not a de Polignac number, because 3456666361 - 2¹ = 3456666359 is a prime.

Together with 3456666359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3456666341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1728333180 + 1728333181.

It is an arithmetic number, because the mean of its divisors is an integer number (1728333181).

Almost surely, 2^3456666361 is an apocalyptic number.

It is an amenable number.

3456666361 is a deficient number, since it is larger than the sum of its proper divisors (1).

3456666361 is an equidigital number, since it uses as much as digits as its factorization.

3456666361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 46.

The square root of 3456666361 is about 58793.4210690278. The cubic root of 3456666361 is about 1512.0024251860.

The spelling of 3456666361 in words is "three billion, four hundred fifty-six million, six hundred sixty-six thousand, three hundred sixty-one".