66670434343 has 2 divisors, whose sum is σ = 66670434344. Its totient is φ = 66670434342.

The previous prime is 66670434307. The next prime is 66670434377. The reversal of 66670434343 is 34343407666.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66670434343 - 2³³ = 58080499751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66670434293 and 66670434302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66670435343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33335217171 + 33335217172.

It is an arithmetic number, because the mean of its divisors is an integer number (33335217172).

Almost surely, 2^66670434343 is an apocalyptic number.

66670434343 is a deficient number, since it is larger than the sum of its proper divisors (1).

66670434343 is an equidigital number, since it uses as much as digits as its factorization.

66670434343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 46.

The spelling of 66670434343 in words is "sixty-six billion, six hundred seventy million, four hundred thirty-four thousand, three hundred forty-three".