3975165653 has 2 divisors, whose sum is σ = 3975165654. Its totient is φ = 3975165652.

The previous prime is 3975165643. The next prime is 3975165683. The reversal of 3975165653 is 3565615793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3674420689 + 300744964 = 60617^2 + 17342^2 .

It is an emirp because it is prime and its reverse (3565615793) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3975165653 - 2⁴ = 3975165637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3975165643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987582826 + 1987582827.

It is an arithmetic number, because the mean of its divisors is an integer number (1987582827).

Almost surely, 2^3975165653 is an apocalyptic number.

It is an amenable number.

3975165653 is a deficient number, since it is larger than the sum of its proper divisors (1).

3975165653 is an equidigital number, since it uses as much as digits as its factorization.

3975165653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2551500, while the sum is 50.

The square root of 3975165653 is about 63048.9147646492. The cubic root of 3975165653 is about 1584.1090572817.

The spelling of 3975165653 in words is "three billion, nine hundred seventy-five million, one hundred sixty-five thousand, six hundred fifty-three".