13496809478 has 8 divisors (see below), whose sum is σ = 20259151968. Its totient is φ = 6743758824.

The previous prime is 13496809471. The next prime is 13496809489. The reversal of 13496809478 is 87490869431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13496809471) 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, 2319326 + ... + 2325137.

It is an arithmetic number, because the mean of its divisors is an integer number (2532393996).

Almost surely, 2^13496809478 is an apocalyptic number.

13496809478 is a deficient number, since it is larger than the sum of its proper divisors (6762342490).

13496809478 is a wasteful number, since it uses less digits than its factorization.

13496809478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645918.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 13496809478 in words is "thirteen billion, four hundred ninety-six million, eight hundred nine thousand, four hundred seventy-eight".