67398823914 has 16 divisors (see below), whose sum is σ = 138085395840. Its totient is φ = 21918316640.

The previous prime is 67398823859. The next prime is 67398823963. The reversal of 67398823914 is 41932889376.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136989234 + ... + 136989725.

It is an arithmetic number, because the mean of its divisors is an integer number (8630337240).

Almost surely, 2^67398823914 is an apocalyptic number.

67398823914 is an abundant number, since it is smaller than the sum of its proper divisors (70686571926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67398823914 is a wasteful number, since it uses less digits than its factorization.

67398823914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273979005.

The product of its digits is 15676416, while the sum is 60.

The spelling of 67398823914 in words is "sixty-seven billion, three hundred ninety-eight million, eight hundred twenty-three thousand, nine hundred fourteen".