3988171001 has 2 divisors, whose sum is σ = 3988171002. Its totient is φ = 3988171000.

The previous prime is 3988170971. The next prime is 3988171027. The reversal of 3988171001 is 1001718893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2983344400 + 1004826601 = 54620^2 + 31699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3988171001 is a prime.

It is not a weakly prime, because it can be changed into another prime (3988170001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1994085500 + 1994085501.

It is an arithmetic number, because the mean of its divisors is an integer number (1994085501).

Almost surely, 2^3988171001 is an apocalyptic number.

It is an amenable number.

3988171001 is a deficient number, since it is larger than the sum of its proper divisors (1).

3988171001 is an equidigital number, since it uses as much as digits as its factorization.

3988171001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 38.

The square root of 3988171001 is about 63151.9675148764. The cubic root of 3988171001 is about 1585.8347264921.

Adding to 3988171001 its reverse (1001718893), we get a palindrome (4989889894).

The spelling of 3988171001 in words is "three billion, nine hundred eighty-eight million, one hundred seventy-one thousand, one".