6155684863 has 2 divisors, whose sum is σ = 6155684864. Its totient is φ = 6155684862.

The previous prime is 6155684851. The next prime is 6155684869. The reversal of 6155684863 is 3684865516.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6155684863 - 2⁹ = 6155684351 is a prime.

It is a super-2 number, since 2×6155684863² = 75784912265134657538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6155684863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6155684869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077842431 + 3077842432.

It is an arithmetic number, because the mean of its divisors is an integer number (3077842432).

Almost surely, 2^6155684863 is an apocalyptic number.

6155684863 is a deficient number, since it is larger than the sum of its proper divisors (1).

6155684863 is an equidigital number, since it uses as much as digits as its factorization.

6155684863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4147200, while the sum is 52.

The square root of 6155684863 is about 78458.1726973041. The cubic root of 6155684863 is about 1832.7031490675.

The spelling of 6155684863 in words is "six billion, one hundred fifty-five million, six hundred eighty-four thousand, eight hundred sixty-three".