13734947326465 has 16 divisors (see below), whose sum is σ = 16492416993360. Its totient is φ = 10980972057600.

The previous prime is 13734947326421. The next prime is 13734947326489. The reversal of 13734947326465 is 56462374943731.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 171754711489 + 13563192614976 = 414433^2 + 3682824^2 .

It is not a de Polignac number, because 13734947326465 - 2¹⁹ = 13734946802177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13734947326397 and 13734947326406.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 126096607 + ... + 126205483.

It is an arithmetic number, because the mean of its divisors is an integer number (1030776062085).

Almost surely, 2^{13734947326465} is an apocalyptic number.

It is an amenable number.

13734947326465 is a deficient number, since it is larger than the sum of its proper divisors (2757469666895).

13734947326465 is a wasteful number, since it uses less digits than its factorization.

13734947326465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124692.

The product of its digits is 274337280, while the sum is 64.

The spelling of 13734947326465 in words is "thirteen trillion, seven hundred thirty-four billion, nine hundred forty-seven million, three hundred twenty-six thousand, four hundred sixty-five".