13634389896 has 32 divisors (see below), whose sum is σ = 34122254400. Its totient is φ = 4539959360.

The previous prime is 13634389891. The next prime is 13634389907. The reversal of 13634389896 is 69898343631.

It is a super-2 number, since 2×13634389896² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13634389891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279276 + ... + 324443.

It is an arithmetic number, because the mean of its divisors is an integer number (1066320450).

Almost surely, 2^13634389896 is an apocalyptic number.

It is an amenable number.

13634389896 is an abundant number, since it is smaller than the sum of its proper divisors (20487864504).

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

13634389896 is a wasteful number, since it uses less digits than its factorization.

13634389896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604669 (or 604665 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 60.

The spelling of 13634389896 in words is "thirteen billion, six hundred thirty-four million, three hundred eighty-nine thousand, eight hundred ninety-six".