68537969063 has 8 divisors (see below), whose sum is σ = 73235392560. Its totient is φ = 63914520960.

The previous prime is 68537969057. The next prime is 68537969081. The reversal of 68537969063 is 36096973586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68537969063 - 2⁶ = 68537968999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68537968987 and 68537969005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68537969263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18491933 + ... + 18495638.

It is an arithmetic number, because the mean of its divisors is an integer number (9154424070).

Almost surely, 2^68537969063 is an apocalyptic number.

68537969063 is a deficient number, since it is larger than the sum of its proper divisors (4697423497).

68537969063 is a wasteful number, since it uses less digits than its factorization.

68537969063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36987697.

The product of its (nonzero) digits is 44089920, while the sum is 62.

The spelling of 68537969063 in words is "sixty-eight billion, five hundred thirty-seven million, nine hundred sixty-nine thousand, sixty-three".