13408478529 has 8 divisors (see below), whose sum is σ = 17919453312. Its totient is φ = 8918244720.

The previous prime is 13408478471. The next prime is 13408478549. The reversal of 13408478529 is 92587480431.

It is a happy number.

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

It is not a de Polignac number, because 13408478529 - 2¹² = 13408474433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13408478549) 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, 5183734 + ... + 5186319.

It is an arithmetic number, because the mean of its divisors is an integer number (2239931664).

Almost surely, 2^13408478529 is an apocalyptic number.

It is an amenable number.

13408478529 is a deficient number, since it is larger than the sum of its proper divisors (4510974783).

13408478529 is a wasteful number, since it uses less digits than its factorization.

13408478529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10370487.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 13408478529 in words is "thirteen billion, four hundred eight million, four hundred seventy-eight thousand, five hundred twenty-nine".