13478480436 has 12 divisors (see below), whose sum is σ = 31449787712. Its totient is φ = 4492826808.

The previous prime is 13478480429. The next prime is 13478480437. The reversal of 13478480436 is 63408487431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13478480437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561603340 + ... + 561603363.

Almost surely, 2^13478480436 is an apocalyptic number.

It is an amenable number.

13478480436 is an abundant number, since it is smaller than the sum of its proper divisors (17971307276).

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

13478480436 is a wasteful number, since it uses less digits than its factorization.

13478480436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123206710 (or 1123206708 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 13478480436 in words is "thirteen billion, four hundred seventy-eight million, four hundred eighty thousand, four hundred thirty-six".