5556457841663 has 2 divisors, whose sum is σ = 5556457841664. Its totient is φ = 5556457841662.

The previous prime is 5556457841569. The next prime is 5556457841699. The reversal of 5556457841663 is 3661487546555.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5556457841663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5556457841663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5556457241663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778228920831 + 2778228920832.

It is an arithmetic number, because the mean of its divisors is an integer number (2778228920832).

Almost surely, 2^{5556457841663} is an apocalyptic number.

5556457841663 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556457841663 is an equidigital number, since it uses as much as digits as its factorization.

5556457841663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880000, while the sum is 65.

The spelling of 5556457841663 in words is "five trillion, five hundred fifty-six billion, four hundred fifty-seven million, eight hundred forty-one thousand, six hundred sixty-three".