13868781486 has 32 divisors (see below), whose sum is σ = 32437287168. Its totient is φ = 3870357120.

The previous prime is 13868781469. The next prime is 13868781497. The reversal of 13868781486 is 68418786831.

It is a happy number.

It is a congruent number.

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, 3837835 + ... + 3841446.

It is an arithmetic number, because the mean of its divisors is an integer number (1013665224).

Almost surely, 2^13868781486 is an apocalyptic number.

13868781486 is an abundant number, since it is smaller than the sum of its proper divisors (18568505682).

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

13868781486 is a wasteful number, since it uses less digits than its factorization.

13868781486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7679336.

The product of its digits is 12386304, while the sum is 60.

The spelling of 13868781486 in words is "thirteen billion, eight hundred sixty-eight million, seven hundred eighty-one thousand, four hundred eighty-six".