109196866989 has 224 divisors, whose sum is σ = 206012277504. Its totient is φ = 56435097600.

The previous prime is 109196866973. The next prime is 109196866991. The reversal of 109196866989 is 989668691901.

It is not a de Polignac number, because 109196866989 - 2⁴ = 109196866973 is a prime.

It is a super-3 number, since 3×109196866989³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109196866189) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 272311189 + ... + 272311589.

Almost surely, 2^109196866989 is an apocalyptic number.

It is an amenable number.

109196866989 is a deficient number, since it is larger than the sum of its proper divisors (96815410515).

109196866989 is an equidigital number, since it uses as much as digits as its factorization.

109196866989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 90699264, while the sum is 72.

The spelling of 109196866989 in words is "one hundred nine billion, one hundred ninety-six million, eight hundred sixty-six thousand, nine hundred eighty-nine".