13864999455 has 48 divisors (see below), whose sum is σ = 24707951424. Its totient is φ = 7187304960.

The previous prime is 13864999433. The next prime is 13864999459. The reversal of 13864999455 is 55499946831.

13864999455 is a `hidden beast` number, since 1 + 3 + 8 + 6 + 499 + 94 + 55 = 666.

It is not a de Polignac number, because 13864999455 - 2⁶ = 13864999391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13864999392 and 13864999401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13864999459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1822710 + ... + 1830300.

It is an arithmetic number, because the mean of its divisors is an integer number (514748988).

Almost surely, 2^13864999455 is an apocalyptic number.

13864999455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13864999455 is a deficient number, since it is larger than the sum of its proper divisors (10842951969).

13864999455 is a wasteful number, since it uses less digits than its factorization.

13864999455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8736 (or 8733 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 63.

It can be divided in two parts, 13 and 864999455, that added together give a palindrome (864999468).

The spelling of 13864999455 in words is "thirteen billion, eight hundred sixty-four million, nine hundred ninety-nine thousand, four hundred fifty-five".