6553615063 has 2 divisors, whose sum is σ = 6553615064. Its totient is φ = 6553615062.

The previous prime is 6553615037. The next prime is 6553615069. The reversal of 6553615063 is 3605163556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6553615063 - 2²¹ = 6551517911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6553615069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3276807531 + 3276807532.

It is an arithmetic number, because the mean of its divisors is an integer number (3276807532).

Almost surely, 2^6553615063 is an apocalyptic number.

6553615063 is a deficient number, since it is larger than the sum of its proper divisors (1).

6553615063 is an equidigital number, since it uses as much as digits as its factorization.

6553615063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 40.

The square root of 6553615063 is about 80954.4011342188. The cubic root of 6553615063 is about 1871.3727861947.

The spelling of 6553615063 in words is "six billion, five hundred fifty-three million, six hundred fifteen thousand, sixty-three".