6173556144013 has 2 divisors, whose sum is σ = 6173556144014. Its totient is φ = 6173556144012.

The previous prime is 6173556143999. The next prime is 6173556144037. The reversal of 6173556144013 is 3104416553716.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5070841933609 + 1102714210404 = 2251853^2 + 1050102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6173556144013 is a prime.

It is a super-3 number, since 3×6173556144013³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6173556144053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3086778072006 + 3086778072007.

It is an arithmetic number, because the mean of its divisors is an integer number (3086778072007).

Almost surely, 2^{6173556144013} is an apocalyptic number.

It is an amenable number.

6173556144013 is a deficient number, since it is larger than the sum of its proper divisors (1).

6173556144013 is an equidigital number, since it uses as much as digits as its factorization.

6173556144013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 6173556144013 in words is "six trillion, one hundred seventy-three billion, five hundred fifty-six million, one hundred forty-four thousand, thirteen".