13421110005 has 24 divisors (see below), whose sum is σ = 23469135768. Its totient is φ = 7094578176.

The previous prime is 13421109967. The next prime is 13421110039. The reversal of 13421110005 is 50001112431.

It can be written as a sum of positive squares in 4 ways, for example, as 85710564 + 13335399441 = 9258^2 + 115479^2 .

It is not a de Polignac number, because 13421110005 - 2⁸ = 13421109749 is a prime.

It is a super-2 number, since 2×13421110005² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13421110005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1314592 + ... + 1324761.

It is an arithmetic number, because the mean of its divisors is an integer number (977880657).

Almost surely, 2^13421110005 is an apocalyptic number.

13421110005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13421110005 is a deficient number, since it is larger than the sum of its proper divisors (10048025763).

13421110005 is a wasteful number, since it uses less digits than its factorization.

13421110005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639477 (or 2639474 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 13421110005 its reverse (50001112431), we get a palindrome (63422222436).

The spelling of 13421110005 in words is "thirteen billion, four hundred twenty-one million, one hundred ten thousand, five".