3868155559 has 2 divisors, whose sum is σ = 3868155560. Its totient is φ = 3868155558.

The previous prime is 3868155539. The next prime is 3868155587. The reversal of 3868155559 is 9555518683.

It is a weak prime.

It is an emirp because it is prime and its reverse (9555518683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3868155559 - 2²¹ = 3866058407 is a prime.

It is a super-3 number, since 3×3868155559³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3868155509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934077779 + 1934077780.

It is an arithmetic number, because the mean of its divisors is an integer number (1934077780).

Almost surely, 2^3868155559 is an apocalyptic number.

3868155559 is a deficient number, since it is larger than the sum of its proper divisors (1).

3868155559 is an equidigital number, since it uses as much as digits as its factorization.

3868155559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480000, while the sum is 55.

The square root of 3868155559 is about 62194.4978193409. The cubic root of 3868155559 is about 1569.7650072240.

The spelling of 3868155559 in words is "three billion, eight hundred sixty-eight million, one hundred fifty-five thousand, five hundred fifty-nine".