13086649356 has 192 divisors, whose sum is σ = 34853898240. Its totient is φ = 3787632640.

The previous prime is 13086649321. The next prime is 13086649357. The reversal of 13086649356 is 65394668031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13086649299 and 13086649308.

It is not an unprimeable number, because it can be changed into a prime (13086649357) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75645286 + ... + 75645458.

It is an arithmetic number, because the mean of its divisors is an integer number (181530720).

Almost surely, 2^13086649356 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 13086649356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17426949120).

13086649356 is an abundant number, since it is smaller than the sum of its proper divisors (21767248884).

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

13086649356 is a wasteful number, since it uses less digits than its factorization.

13086649356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 13086649356 in words is "thirteen billion, eighty-six million, six hundred forty-nine thousand, three hundred fifty-six".