13861463393 has 8 divisors (see below), whose sum is σ = 14210721000. Its totient is φ = 13512737920.

The previous prime is 13861463381. The next prime is 13861463419. The reversal of 13861463393 is 39336416831.

It can be written as a sum of positive squares in 4 ways, for example, as 1008253009 + 12853210384 = 31753^2 + 113372^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13861463393 - 2¹⁶ = 13861397857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13861463303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80018 + ... + 184731.

It is an arithmetic number, because the mean of its divisors is an integer number (1776340125).

Almost surely, 2^13861463393 is an apocalyptic number.

It is an amenable number.

13861463393 is a deficient number, since it is larger than the sum of its proper divisors (349257607).

13861463393 is a wasteful number, since it uses less digits than its factorization.

13861463393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266067.

The product of its digits is 839808, while the sum is 47.

The spelling of 13861463393 in words is "thirteen billion, eight hundred sixty-one million, four hundred sixty-three thousand, three hundred ninety-three".