13863887426 has 8 divisors (see below), whose sum is σ = 20814254220. Its totient is φ = 6925802688.

The previous prime is 13863887417. The next prime is 13863887449. The reversal of 13863887426 is 62478836831.

It can be written as a sum of positive squares in 2 ways, for example, as 13863885025 + 2401 = 117745^2 + 49^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3067691 + ... + 3072206.

Almost surely, 2^13863887426 is an apocalyptic number.

13863887426 is a deficient number, since it is larger than the sum of its proper divisors (6950366794).

13863887426 is a wasteful number, since it uses less digits than its factorization.

13863887426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6141028.

The product of its digits is 9289728, while the sum is 56.

The spelling of 13863887426 in words is "thirteen billion, eight hundred sixty-three million, eight hundred eighty-seven thousand, four hundred twenty-six".