68696421390189 has 12 divisors (see below), whose sum is σ = 99228311256256. Its totient is φ = 45797546401992.

The previous prime is 68696421390173. The next prime is 68696421390209. The reversal of 68696421390189 is 98109312469686.

68696421390189 is a `hidden beast` number, since 6 + 8 + 6 + 96 + 421 + 39 + 0 + 1 + 89 = 666.

It is not a de Polignac number, because 68696421390189 - 2⁴ = 68696421390173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68696421390119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1193202 + ... + 11782044.

Almost surely, 2^{68696421390189} is an apocalyptic number.

It is an amenable number.

68696421390189 is a deficient number, since it is larger than the sum of its proper divisors (30531889866067).

68696421390189 is a wasteful number, since it uses less digits than its factorization.

68696421390189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11309696 (or 11309693 counting only the distinct ones).

The product of its (nonzero) digits is 241864704, while the sum is 72.

The spelling of 68696421390189 in words is "sixty-eight trillion, six hundred ninety-six billion, four hundred twenty-one million, three hundred ninety thousand, one hundred eighty-nine".