13807781682 has 32 divisors (see below), whose sum is σ = 29304668160. Its totient is φ = 4327860240.

The previous prime is 13807781657. The next prime is 13807781717. The reversal of 13807781682 is 28618770831.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 839794 + ... + 856077.

It is an arithmetic number, because the mean of its divisors is an integer number (915770880).

Almost surely, 2^13807781682 is an apocalyptic number.

13807781682 is an abundant number, since it is smaller than the sum of its proper divisors (15496886478).

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

13807781682 is a wasteful number, since it uses less digits than its factorization.

13807781682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695958.

The product of its (nonzero) digits is 903168, while the sum is 51.

The spelling of 13807781682 in words is "thirteen billion, eight hundred seven million, seven hundred eighty-one thousand, six hundred eighty-two".