109006543849 has 16 divisors (see below), whose sum is σ = 127346558976. Its totient is φ = 91362099600.

The previous prime is 109006543843. The next prime is 109006543927. The reversal of 109006543849 is 948345600901.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 109006543849 - 2¹³ = 109006535657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109006543843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207094 + ... + 510784.

It is an arithmetic number, because the mean of its divisors is an integer number (7959159936).

Almost surely, 2^109006543849 is an apocalyptic number.

It is an amenable number.

109006543849 is a deficient number, since it is larger than the sum of its proper divisors (18340015127).

109006543849 is a wasteful number, since it uses less digits than its factorization.

109006543849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304836.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 109006543849 in words is "one hundred nine billion, six million, five hundred forty-three thousand, eight hundred forty-nine".