4002171653 has 2 divisors, whose sum is σ = 4002171654. Its totient is φ = 4002171652.

The previous prime is 4002171617. The next prime is 4002171659. The reversal of 4002171653 is 3561712004.

4002171653 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2815575844 + 1186595809 = 53062^2 + 34447^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4002171653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4002171659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001085826 + 2001085827.

It is an arithmetic number, because the mean of its divisors is an integer number (2001085827).

Almost surely, 2^4002171653 is an apocalyptic number.

It is an amenable number.

4002171653 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002171653 is an equidigital number, since it uses as much as digits as its factorization.

4002171653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 4002171653 is about 63262.7192981775. The cubic root of 4002171653 is about 1587.6882736837.

Adding to 4002171653 its reverse (3561712004), we get a palindrome (7563883657).

The spelling of 4002171653 in words is "four billion, two million, one hundred seventy-one thousand, six hundred fifty-three".