117838909469 has 8 divisors (see below), whose sum is σ = 125330123520. Its totient is φ = 110409863616.

The previous prime is 117838909457. The next prime is 117838909523. The reversal of 117838909469 is 964909838711.

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 117838909469 - 2⁸ = 117838909213 is a prime.

It is a super-2 number, since 2×117838909469² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117838909439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15538139 + ... + 15545720.

It is an arithmetic number, because the mean of its divisors is an integer number (15666265440).

Almost surely, 2^117838909469 is an apocalyptic number.

It is an amenable number.

117838909469 is a deficient number, since it is larger than the sum of its proper divisors (7491214051).

117838909469 is a wasteful number, since it uses less digits than its factorization.

117838909469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31084099.

The product of its (nonzero) digits is 23514624, while the sum is 65.

The spelling of 117838909469 in words is "one hundred seventeen billion, eight hundred thirty-eight million, nine hundred nine thousand, four hundred sixty-nine".