14539978414017 has 72 divisors (see below), whose sum is σ = 24275992208832. Its totient is φ = 8214150384000.

The previous prime is 14539978413949. The next prime is 14539978414037. The reversal of 14539978414017 is 71041487993541.

It is a happy number.

14539978414017 is a `hidden beast` number, since 1 + 4 + 53 + 99 + 78 + 414 + 0 + 17 = 666.

It is not a de Polignac number, because 14539978414017 - 2¹¹ = 14539978411969 is a prime.

It is a super-2 number, since 2×14539978414017² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (14539978414037) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4893966342 + ... + 4893969312.

It is an arithmetic number, because the mean of its divisors is an integer number (337166558456).

Almost surely, 2^{14539978414017} is an apocalyptic number.

It is an amenable number.

14539978414017 is a deficient number, since it is larger than the sum of its proper divisors (9736013794815).

14539978414017 is an equidigital number, since it uses as much as digits as its factorization.

14539978414017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4839 (or 3959 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 14539978414017 in words is "fourteen trillion, five hundred thirty-nine billion, nine hundred seventy-eight million, four hundred fourteen thousand, seventeen".