5287206781853 has 2 divisors, whose sum is σ = 5287206781854. Its totient is φ = 5287206781852.

The previous prime is 5287206781817. The next prime is 5287206781877. The reversal of 5287206781853 is 3581876027825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5188728182884 + 98478598969 = 2277878^2 + 313813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5287206781853 is a prime.

It is a super-2 number, since 2×5287206781853² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5287206781453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2643603390926 + 2643603390927.

It is an arithmetic number, because the mean of its divisors is an integer number (2643603390927).

Almost surely, 2^{5287206781853} is an apocalyptic number.

It is an amenable number.

5287206781853 is a deficient number, since it is larger than the sum of its proper divisors (1).

5287206781853 is an equidigital number, since it uses as much as digits as its factorization.

5287206781853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45158400, while the sum is 62.

The spelling of 5287206781853 in words is "five trillion, two hundred eighty-seven billion, two hundred six million, seven hundred eighty-one thousand, eight hundred fifty-three".