68299652833 has 2 divisors, whose sum is σ = 68299652834. Its totient is φ = 68299652832.

The previous prime is 68299652777. The next prime is 68299652843. The reversal of 68299652833 is 33825699286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39333995584 + 28965657249 = 198328^2 + 170193^2 .

It is a cyclic number.

It is not a de Polignac number, because 68299652833 - 2¹⁷ = 68299521761 is a prime.

It is not a weakly prime, because it can be changed into another prime (68299652843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34149826416 + 34149826417.

It is an arithmetic number, because the mean of its divisors is an integer number (34149826417).

Almost surely, 2^68299652833 is an apocalyptic number.

It is an amenable number.

68299652833 is a deficient number, since it is larger than the sum of its proper divisors (1).

68299652833 is an equidigital number, since it uses as much as digits as its factorization.

68299652833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33592320, while the sum is 61.

The spelling of 68299652833 in words is "sixty-eight billion, two hundred ninety-nine million, six hundred fifty-two thousand, eight hundred thirty-three".