13489146684 has 216 divisors, whose sum is σ = 39163592832. Its totient is φ = 3906040320.

The previous prime is 13489146661. The next prime is 13489146701. The reversal of 13489146684 is 48664198431.

13489146684 is a `hidden beast` number, since 13 + 4 + 8 + 91 + 466 + 84 = 666.

It is a super-3 number, since 3×13489146684³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13489146684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6977382 + ... + 6979314.

Almost surely, 2^13489146684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13489146684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19581796416).

13489146684 is an abundant number, since it is smaller than the sum of its proper divisors (25674446148).

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

13489146684 is a wasteful number, since it uses less digits than its factorization.

13489146684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037 (or 2019 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 13489146684 in words is "thirteen billion, four hundred eighty-nine million, one hundred forty-six thousand, six hundred eighty-four".