13898537518 has 8 divisors (see below), whose sum is σ = 21042645912. Its totient is φ = 6884322216.

The previous prime is 13898537483. The next prime is 13898537579. The reversal of 13898537518 is 81573589831.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32473005 + ... + 32473432.

It is an arithmetic number, because the mean of its divisors is an integer number (2630330739).

Almost surely, 2^13898537518 is an apocalyptic number.

13898537518 is a deficient number, since it is larger than the sum of its proper divisors (7144108394).

13898537518 is a wasteful number, since it uses less digits than its factorization.

13898537518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64946546.

The product of its digits is 7257600, while the sum is 58.

The spelling of 13898537518 in words is "thirteen billion, eight hundred ninety-eight million, five hundred thirty-seven thousand, five hundred eighteen".