14999729156417 has 8 divisors (see below), whose sum is σ = 15882151500936. Its totient is φ = 14117316293632.

The previous prime is 14999729156341. The next prime is 14999729156429. The reversal of 14999729156417 is 71465192799941.

It can be written as a sum of positive squares in 4 ways, for example, as 10547224027201 + 4452505129216 = 3247649^2 + 2110096^2 .

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-14999729156417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14999729156017) 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, 1025573 + ... + 5572365.

It is an arithmetic number, because the mean of its divisors is an integer number (1985268937617).

Almost surely, 2^{14999729156417} is an apocalyptic number.

14999729156417 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

14999729156417 is a deficient number, since it is larger than the sum of its proper divisors (882422344519).

14999729156417 is a wasteful number, since it uses less digits than its factorization.

14999729156417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740867.

The product of its digits is 308629440, while the sum is 74.

The spelling of 14999729156417 in words is "fourteen trillion, nine hundred ninety-nine billion, seven hundred twenty-nine million, one hundred fifty-six thousand, four hundred seventeen".