52180989716693 has 2 divisors, whose sum is σ = 52180989716694. Its totient is φ = 52180989716692.

The previous prime is 52180989716677. The next prime is 52180989716753. The reversal of 52180989716693 is 39661798908125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52147722510244 + 33267206449 = 7221338^2 + 182393^2 .

It is a cyclic number.

It is not a de Polignac number, because 52180989716693 - 2⁴ = 52180989716677 is a prime.

It is a super-2 number, since 2×52180989716693² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52180989716693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52180589716693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26090494858346 + 26090494858347.

It is an arithmetic number, because the mean of its divisors is an integer number (26090494858347).

Almost surely, 2^{52180989716693} is an apocalyptic number.

It is an amenable number.

52180989716693 is a deficient number, since it is larger than the sum of its proper divisors (1).

52180989716693 is an equidigital number, since it uses as much as digits as its factorization.

52180989716693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352719360, while the sum is 74.

The spelling of 52180989716693 in words is "fifty-two trillion, one hundred eighty billion, nine hundred eighty-nine million, seven hundred sixteen thousand, six hundred ninety-three".