1346666668073 has 2 divisors, whose sum is σ = 1346666668074. Its totient is φ = 1346666668072.

The previous prime is 1346666667979. The next prime is 1346666668117. The reversal of 1346666668073 is 3708666666431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1194150643984 + 152516024089 = 1092772^2 + 390533^2 .

It is a cyclic number.

It is not a de Polignac number, because 1346666668073 - 2¹² = 1346666663977 is a prime.

It is a super-2 number, since 2×1346666668073² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1346666667997 and 1346666668015.

It is not a weakly prime, because it can be changed into another prime (1346666698073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673333334036 + 673333334037.

It is an arithmetic number, because the mean of its divisors is an integer number (673333334037).

Almost surely, 2^{1346666668073} is an apocalyptic number.

It is an amenable number.

1346666668073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346666668073 is an equidigital number, since it uses as much as digits as its factorization.

1346666668073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94058496, while the sum is 62.

The spelling of 1346666668073 in words is "one trillion, three hundred forty-six billion, six hundred sixty-six million, six hundred sixty-eight thousand, seventy-three".