13678517498 has 8 divisors (see below), whose sum is σ = 21018209940. Its totient is φ = 6672447520.

The previous prime is 13678517497. The next prime is 13678517513. The reversal of 13678517498 is 89471587631.

It can be written as a sum of positive squares in 2 ways, for example, as 13028624449 + 649893049 = 114143^2 + 25493^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13678517491) 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, 83405513 + ... + 83405676.

Almost surely, 2^13678517498 is an apocalyptic number.

13678517498 is a deficient number, since it is larger than the sum of its proper divisors (7339692442).

13678517498 is a wasteful number, since it uses less digits than its factorization.

13678517498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166811232.

The product of its digits is 10160640, while the sum is 59.

The spelling of 13678517498 in words is "thirteen billion, six hundred seventy-eight million, five hundred seventeen thousand, four hundred ninety-eight".