3868228613 has 2 divisors, whose sum is σ = 3868228614. Its totient is φ = 3868228612.

The previous prime is 3868228591. The next prime is 3868228657. The reversal of 3868228613 is 3168228683.

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., 3844248004 + 23980609 = 62002^2 + 4897^2 .

It is an emirp because it is prime and its reverse (3168228683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3868228613 - 2⁶ = 3868228549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3868228313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934114306 + 1934114307.

It is an arithmetic number, because the mean of its divisors is an integer number (1934114307).

Almost surely, 2^3868228613 is an apocalyptic number.

It is an amenable number.

3868228613 is a deficient number, since it is larger than the sum of its proper divisors (1).

3868228613 is an equidigital number, since it uses as much as digits as its factorization.

3868228613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 47.

The square root of 3868228613 is about 62195.0851193243. The cubic root of 3868228613 is about 1569.7748893577.

The spelling of 3868228613 in words is "three billion, eight hundred sixty-eight million, two hundred twenty-eight thousand, six hundred thirteen".