14669696921 has 8 divisors (see below), whose sum is σ = 16004217600. Its totient is φ = 13335328240.

The previous prime is 14669696911. The next prime is 14669696927. The reversal of 14669696921 is 12969696641.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14669696921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14669696927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278360 + ... + 326838.

It is an arithmetic number, because the mean of its divisors is an integer number (2000527200).

Almost surely, 2^14669696921 is an apocalyptic number.

14669696921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14669696921 is a deficient number, since it is larger than the sum of its proper divisors (1334520679).

14669696921 is a wasteful number, since it uses less digits than its factorization.

14669696921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75999.

The product of its digits is 7558272, while the sum is 59.

The spelling of 14669696921 in words is "fourteen billion, six hundred sixty-nine million, six hundred ninety-six thousand, nine hundred twenty-one".