68058424921 has 8 divisors (see below), whose sum is σ = 68725650240. Its totient is φ = 67391324112.

The previous prime is 68058424913. The next prime is 68058424927. The reversal of 68058424921 is 12942485086.

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 68058424921 - 2³ = 68058424913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68058424927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377870 + ... + 1426408.

It is an arithmetic number, because the mean of its divisors is an integer number (8590706280).

Almost surely, 2^68058424921 is an apocalyptic number.

It is an amenable number.

68058424921 is a deficient number, since it is larger than the sum of its proper divisors (667225319).

68058424921 is a wasteful number, since it uses less digits than its factorization.

68058424921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62255.

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

The spelling of 68058424921 in words is "sixty-eight billion, fifty-eight million, four hundred twenty-four thousand, nine hundred twenty-one".