3868617653 has 2 divisors, whose sum is σ = 3868617654. Its totient is φ = 3868617652.

The previous prime is 3868617637. The next prime is 3868617761. The reversal of 3868617653 is 3567168683.

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., 2174636689 + 1693980964 = 46633^2 + 41158^2 .

It is a cyclic number.

It is not a de Polignac number, because 3868617653 - 2⁴ = 3868617637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3868617595 and 3868617604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3868617253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934308826 + 1934308827.

It is an arithmetic number, because the mean of its divisors is an integer number (1934308827).

Almost surely, 2^3868617653 is an apocalyptic number.

It is an amenable number.

3868617653 is a deficient number, since it is larger than the sum of its proper divisors (1).

3868617653 is an equidigital number, since it uses as much as digits as its factorization.

3868617653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 53.

The square root of 3868617653 is about 62198.2126190134. The cubic root of 3868617653 is about 1569.8275133372.

The spelling of 3868617653 in words is "three billion, eight hundred sixty-eight million, six hundred seventeen thousand, six hundred fifty-three".