68012545498 has 8 divisors (see below), whose sum is σ = 102151484820. Its totient is φ = 33962050560.

The previous prime is 68012545459. The next prime is 68012545591. The reversal of 68012545498 is 89454521086.

It can be written as a sum of positive squares in 2 ways, for example, as 64677136489 + 3335409009 = 254317^2 + 57753^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22109173 + ... + 22112248.

Almost surely, 2^68012545498 is an apocalyptic number.

68012545498 is a deficient number, since it is larger than the sum of its proper divisors (34138939322).

68012545498 is a wasteful number, since it uses less digits than its factorization.

68012545498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44222192.

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 68012545498 in words is "sixty-eight billion, twelve million, five hundred forty-five thousand, four hundred ninety-eight".