268446552853 has 2 divisors, whose sum is σ = 268446552854. Its totient is φ = 268446552852.

The previous prime is 268446552797. The next prime is 268446552863. The reversal of 268446552853 is 358255644862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222488625969 + 45957926884 = 471687^2 + 214378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268446552853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268446552863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134223276426 + 134223276427.

It is an arithmetic number, because the mean of its divisors is an integer number (134223276427).

Almost surely, 2^268446552853 is an apocalyptic number.

It is an amenable number.

268446552853 is a deficient number, since it is larger than the sum of its proper divisors (1).

268446552853 is an equidigital number, since it uses as much as digits as its factorization.

268446552853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296000, while the sum is 58.

The spelling of 268446552853 in words is "two hundred sixty-eight billion, four hundred forty-six million, five hundred fifty-two thousand, eight hundred fifty-three".