3985063673 has 2 divisors, whose sum is σ = 3985063674. Its totient is φ = 3985063672.

The previous prime is 3985063669. The next prime is 3985063679. The reversal of 3985063673 is 3763605893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3888395449 + 96668224 = 62357^2 + 9832^2 .

It is an emirp because it is prime and its reverse (3763605893) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3985063673 - 2² = 3985063669 is a prime.

It is not a weakly prime, because it can be changed into another prime (3985063679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992531836 + 1992531837.

It is an arithmetic number, because the mean of its divisors is an integer number (1992531837).

Almost surely, 2^3985063673 is an apocalyptic number.

It is an amenable number.

3985063673 is a deficient number, since it is larger than the sum of its proper divisors (1).

3985063673 is an equidigital number, since it uses as much as digits as its factorization.

3985063673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The square root of 3985063673 is about 63127.3607320946. The cubic root of 3985063673 is about 1585.4227591193.

The spelling of 3985063673 in words is "three billion, nine hundred eighty-five million, sixty-three thousand, six hundred seventy-three".