13806898506 has 48 divisors (see below), whose sum is σ = 30567423744. Its totient is φ = 4502021472.

The previous prime is 13806898487. The next prime is 13806898583. The reversal of 13806898506 is 60589860831.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2439576 + ... + 2445228.

It is an arithmetic number, because the mean of its divisors is an integer number (636821328).

Almost surely, 2^13806898506 is an apocalyptic number.

13806898506 is an abundant number, since it is smaller than the sum of its proper divisors (16760525238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13806898506 is a wasteful number, since it uses less digits than its factorization.

13806898506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8595 (or 8592 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 13806898506 in words is "thirteen billion, eight hundred six million, eight hundred ninety-eight thousand, five hundred six".