68298702063 has 4 divisors (see below), whose sum is σ = 91064936088. Its totient is φ = 45532468040.

The previous prime is 68298702023. The next prime is 68298702067. The reversal of 68298702063 is 36020789286.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68298702063 - 2³⁰ = 67224960239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68298701997 and 68298702015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68298702067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11383117008 + ... + 11383117013.

It is an arithmetic number, because the mean of its divisors is an integer number (22766234022).

Almost surely, 2^68298702063 is an apocalyptic number.

68298702063 is a deficient number, since it is larger than the sum of its proper divisors (22766234025).

68298702063 is a wasteful number, since it uses less digits than its factorization.

68298702063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22766234024.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 68298702063 in words is "sixty-eight billion, two hundred ninety-eight million, seven hundred two thousand, sixty-three".