14789856709 has 8 divisors (see below), whose sum is σ = 15989035040. Its totient is φ = 13632754896.

The previous prime is 14789856701. The next prime is 14789856779. The reversal of 14789856709 is 90765898741.

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 14789856709 - 2³ = 14789856701 is a prime.

It is a super-2 number, since 2×14789856709² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14789856701) 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, 10518399 + ... + 10519804.

It is an arithmetic number, because the mean of its divisors is an integer number (1998629380).

Almost surely, 2^14789856709 is an apocalyptic number.

14789856709 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14789856709 is a deficient number, since it is larger than the sum of its proper divisors (1199178331).

14789856709 is a wasteful number, since it uses less digits than its factorization.

14789856709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21038259.

The product of its (nonzero) digits is 30481920, while the sum is 64.

The spelling of 14789856709 in words is "fourteen billion, seven hundred eighty-nine million, eight hundred fifty-six thousand, seven hundred nine".