13285149696 has 792 divisors, whose sum is σ = 50285848704. Its totient is φ = 3344302080.

The previous prime is 13285149659. The next prime is 13285149743. The reversal of 13285149696 is 69694158231.

13285149696 is a `hidden beast` number, since 1 + 32 + 8 + 514 + 9 + 6 + 96 = 666.

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, 181988316 + ... + 181988388.

Almost surely, 2^13285149696 is an apocalyptic number.

13285149696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13285149696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25142924352).

13285149696 is an abundant number, since it is smaller than the sum of its proper divisors (37000699008).

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

13285149696 is a wasteful number, since it uses less digits than its factorization.

13285149696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 129 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The spelling of 13285149696 in words is "thirteen billion, two hundred eighty-five million, one hundred forty-nine thousand, six hundred ninety-six".