13449220682156 has 24 divisors (see below), whose sum is σ = 26898554382336. Its totient is φ = 5763927502800.

The previous prime is 13449220682087. The next prime is 13449220682173. The reversal of 13449220682156 is 65128602294431.

It is a junction number, because it is equal to n+sod(n) for n = 13449220682098 and 13449220682107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6846965 + ... + 8589491.

It is an arithmetic number, because the mean of its divisors is an integer number (1120773099264).

Almost surely, 2^{13449220682156} is an apocalyptic number.

It is an amenable number.

13449220682156 is an abundant number, since it is smaller than the sum of its proper divisors (13449333700180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13449220682156 is a wasteful number, since it uses less digits than its factorization.

13449220682156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018189 (or 2018187 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 53.

The spelling of 13449220682156 in words is "thirteen trillion, four hundred forty-nine billion, two hundred twenty million, six hundred eighty-two thousand, one hundred fifty-six".