14429117681 has 4 divisors (see below), whose sum is σ = 15740855664. Its totient is φ = 13117379700.

The previous prime is 14429117611. The next prime is 14429117687. The reversal of 14429117681 is 18671192441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14429117681 - 2²² = 14424923377 is a prime.

It is a super-2 number, since 2×14429117681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14429117687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655868975 + ... + 655868996.

It is an arithmetic number, because the mean of its divisors is an integer number (3935213916).

Almost surely, 2^14429117681 is an apocalyptic number.

14429117681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14429117681 is a deficient number, since it is larger than the sum of its proper divisors (1311737983).

14429117681 is a wasteful number, since it uses less digits than its factorization.

14429117681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311737982.

The product of its digits is 96768, while the sum is 44.

The spelling of 14429117681 in words is "fourteen billion, four hundred twenty-nine million, one hundred seventeen thousand, six hundred eighty-one".