13585699478 has 64 divisors (see below), whose sum is σ = 23466723840. Its totient is φ = 5851118592.

The previous prime is 13585699469. The next prime is 13585699559. The reversal of 13585699478 is 87499658531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4285478 + ... + 4288646.

It is an arithmetic number, because the mean of its divisors is an integer number (366667560).

Almost surely, 2^13585699478 is an apocalyptic number.

13585699478 is a deficient number, since it is larger than the sum of its proper divisors (9881024362).

13585699478 is a wasteful number, since it uses less digits than its factorization.

13585699478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381.

The product of its digits is 65318400, while the sum is 65.

The spelling of 13585699478 in words is "thirteen billion, five hundred eighty-five million, six hundred ninety-nine thousand, four hundred seventy-eight".