3943552673 has 2 divisors, whose sum is σ = 3943552674. Its totient is φ = 3943552672.

The previous prime is 3943552667. The next prime is 3943552721. The reversal of 3943552673 is 3762553493.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3942835264 + 717409 = 62792^2 + 847^2 .

It is a cyclic number.

It is not a de Polignac number, because 3943552673 - 2¹² = 3943548577 is a prime.

It is not a weakly prime, because it can be changed into another prime (3943552633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1971776336 + 1971776337.

It is an arithmetic number, because the mean of its divisors is an integer number (1971776337).

Almost surely, 2^3943552673 is an apocalyptic number.

It is an amenable number.

3943552673 is a deficient number, since it is larger than the sum of its proper divisors (1).

3943552673 is an equidigital number, since it uses as much as digits as its factorization.

3943552673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2041200, while the sum is 47.

The square root of 3943552673 is about 62797.7123229820. The cubic root of 3943552673 is about 1579.8986038920.

The spelling of 3943552673 in words is "three billion, nine hundred forty-three million, five hundred fifty-two thousand, six hundred seventy-three".