13421473412 has 24 divisors (see below), whose sum is σ = 25726763160. Its totient is φ = 6098193920.

The previous prime is 13421473381. The next prime is 13421473421. The reversal of 13421473412 is 21437412431.

It can be written as a sum of positive squares in 4 ways, for example, as 3418273156 + 10003200256 = 58466^2 + 100016^2 .

It is a super-3 number, since 3×13421473412³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3401039 + ... + 3404982.

It is an arithmetic number, because the mean of its divisors is an integer number (1071948465).

Almost surely, 2^13421473412 is an apocalyptic number.

It is an amenable number.

13421473412 is a deficient number, since it is larger than the sum of its proper divisors (12305289748).

13421473412 is a wasteful number, since it uses less digits than its factorization.

13421473412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6806071 (or 6806069 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

Adding to 13421473412 its reverse (21437412431), we get a palindrome (34858885843).

The spelling of 13421473412 in words is "thirteen billion, four hundred twenty-one million, four hundred seventy-three thousand, four hundred twelve".