6673673729 has 2 divisors, whose sum is σ = 6673673730. Its totient is φ = 6673673728.

The previous prime is 6673673701. The next prime is 6673673737. The reversal of 6673673729 is 9273763766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6610503025 + 63170704 = 81305^2 + 7948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6673673729 is a prime.

It is a super-2 number, since 2×6673673729² = 89075842082289530882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6673673789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3336836864 + 3336836865.

It is an arithmetic number, because the mean of its divisors is an integer number (3336836865).

Almost surely, 2^6673673729 is an apocalyptic number.

It is an amenable number.

6673673729 is a deficient number, since it is larger than the sum of its proper divisors (1).

6673673729 is an equidigital number, since it uses as much as digits as its factorization.

6673673729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12002256, while the sum is 56.

The square root of 6673673729 is about 81692.5561419154. The cubic root of 6673673729 is about 1882.7312166888.

The spelling of 6673673729 in words is "six billion, six hundred seventy-three million, six hundred seventy-three thousand, seven hundred twenty-nine".