13538687350463 has 24 divisors (see below), whose sum is σ = 15450094662240. Its totient is φ = 11840585803200.

The previous prime is 13538687350453. The next prime is 13538687350481. The reversal of 13538687350463 is 36405378683531.

It is not a de Polignac number, because 13538687350463 - 2⁶ = 13538687350399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13538687350396 and 13538687350405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13538687350423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5992403 + ... + 7936388.

It is an arithmetic number, because the mean of its divisors is an integer number (643753944260).

Almost surely, 2^{13538687350463} is an apocalyptic number.

13538687350463 is a deficient number, since it is larger than the sum of its proper divisors (1911407311777).

13538687350463 is a wasteful number, since it uses less digits than its factorization.

13538687350463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13929119 (or 13929108 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 62.

The spelling of 13538687350463 in words is "thirteen trillion, five hundred thirty-eight billion, six hundred eighty-seven million, three hundred fifty thousand, four hundred sixty-three".