14581643109 has 16 divisors (see below), whose sum is σ = 22131823104. Its totient is φ = 8453126000.

The previous prime is 14581643077. The next prime is 14581643171. The reversal of 14581643109 is 90134618541.

14581643109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14581643109 - 2⁵ = 14581643077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14581645109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9605067 + ... + 9606584.

It is an arithmetic number, because the mean of its divisors is an integer number (1383238944).

Almost surely, 2^14581643109 is an apocalyptic number.

It is an amenable number.

14581643109 is a deficient number, since it is larger than the sum of its proper divisors (7550179995).

14581643109 is a wasteful number, since it uses less digits than its factorization.

14581643109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19211688.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 14581643109 in words is "fourteen billion, five hundred eighty-one million, six hundred forty-three thousand, one hundred nine".