3447768067673 has 2 divisors, whose sum is σ = 3447768067674. Its totient is φ = 3447768067672.

The previous prime is 3447768067663. The next prime is 3447768067771. The reversal of 3447768067673 is 3767608677443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3437119478809 + 10648588864 = 1853947^2 + 103192^2 .

It is a cyclic number.

It is not a de Polignac number, because 3447768067673 - 2⁴ = 3447768067657 is a prime.

It is a super-2 number, since 2×3447768067673² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3447768067613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1723884033836 + 1723884033837.

It is an arithmetic number, because the mean of its divisors is an integer number (1723884033837).

Almost surely, 2^{3447768067673} is an apocalyptic number.

It is an amenable number.

3447768067673 is a deficient number, since it is larger than the sum of its proper divisors (1).

3447768067673 is an equidigital number, since it uses as much as digits as its factorization.

3447768067673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 597445632, while the sum is 68.

The spelling of 3447768067673 in words is "three trillion, four hundred forty-seven billion, seven hundred sixty-eight million, sixty-seven thousand, six hundred seventy-three".