309536098068 has 12 divisors (see below), whose sum is σ = 722250895520. Its totient is φ = 103178699352.

The previous prime is 309536098031. The next prime is 309536098117. The reversal of 309536098068 is 860890635903.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 309536097999 and 309536098017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12897337408 + ... + 12897337431.

Almost surely, 2^309536098068 is an apocalyptic number.

It is an amenable number.

309536098068 is an abundant number, since it is smaller than the sum of its proper divisors (412714797452).

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

309536098068 is a wasteful number, since it uses less digits than its factorization.

309536098068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25794674846 (or 25794674844 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 57.

The spelling of 309536098068 in words is "three hundred nine billion, five hundred thirty-six million, ninety-eight thousand, sixty-eight".