13449220682187 has 16 divisors (see below), whose sum is σ = 18051271435008. Its totient is φ = 8906659975200.

The previous prime is 13449220682173. The next prime is 13449220682207. The reversal of 13449220682187 is 78128602294431.

It is not a de Polignac number, because 13449220682187 - 2¹⁶ = 13449220616651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13449220682087) 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, 56616553 + ... + 56853605.

It is an arithmetic number, because the mean of its divisors is an integer number (1128204464688).

Almost surely, 2^{13449220682187} is an apocalyptic number.

13449220682187 is a deficient number, since it is larger than the sum of its proper divisors (4602050752821).

13449220682187 is a wasteful number, since it uses less digits than its factorization.

13449220682187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362450.

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 13449220682187 in words is "thirteen trillion, four hundred forty-nine billion, two hundred twenty million, six hundred eighty-two thousand, one hundred eighty-seven".