14661321329 has 16 divisors (see below), whose sum is σ = 15812966400. Its totient is φ = 13549613904.

The previous prime is 14661321307. The next prime is 14661321331. The reversal of 14661321329 is 92312316641.

It is a cyclic number.

It is not a de Polignac number, because 14661321329 - 2¹² = 14661317233 is a prime.

It is a super-2 number, since 2×14661321329² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14661321292 and 14661321301.

It is not an unprimeable number, because it can be changed into a prime (14661321349) 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, 247412 + ... + 300890.

It is an arithmetic number, because the mean of its divisors is an integer number (988310400).

Almost surely, 2^14661321329 is an apocalyptic number.

14661321329 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14661321329 is a deficient number, since it is larger than the sum of its proper divisors (1151645071).

14661321329 is a wasteful number, since it uses less digits than its factorization.

14661321329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53852.

The product of its digits is 46656, while the sum is 38.

The spelling of 14661321329 in words is "fourteen billion, six hundred sixty-one million, three hundred twenty-one thousand, three hundred twenty-nine".