68831100222853 has 2 divisors, whose sum is σ = 68831100222854. Its totient is φ = 68831100222852.

The previous prime is 68831100222839. The next prime is 68831100222887. The reversal of 68831100222853 is 35822200113886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58543569996129 + 10287530226724 = 7651377^2 + 3207418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68831100222853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68831100222797 and 68831100222806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68831100222823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34415550111426 + 34415550111427.

It is an arithmetic number, because the mean of its divisors is an integer number (34415550111427).

Almost surely, 2^{68831100222853} is an apocalyptic number.

It is an amenable number.

68831100222853 is a deficient number, since it is larger than the sum of its proper divisors (1).

68831100222853 is an equidigital number, since it uses as much as digits as its factorization.

68831100222853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 68831100222853 in words is "sixty-eight trillion, eight hundred thirty-one billion, one hundred million, two hundred twenty-two thousand, eight hundred fifty-three".