13867934550 has 48 divisors (see below), whose sum is σ = 34431581952. Its totient is φ = 3693911200.

The previous prime is 13867934533. The next prime is 13867934581. The reversal of 13867934550 is 5543976831.

It is a junction number, because it is equal to n+sod(n) for n = 13867934493 and 13867934502.

It is a congruent number.

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, 80935 + ... + 185165.

It is an arithmetic number, because the mean of its divisors is an integer number (717324624).

Almost surely, 2^13867934550 is an apocalyptic number.

13867934550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13867934550 is an abundant number, since it is smaller than the sum of its proper divisors (20563647402).

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

13867934550 is a wasteful number, since it uses less digits than its factorization.

13867934550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105133 (or 105128 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 13867934550 in words is "thirteen billion, eight hundred sixty-seven million, nine hundred thirty-four thousand, five hundred fifty".