13421964008 has 16 divisors (see below), whose sum is σ = 25846350180. Its totient is φ = 6529603968.

The previous prime is 13421964001. The next prime is 13421964047. The reversal of 13421964008 is 80046912431.

It can be written as a sum of positive squares in 2 ways, for example, as 9181089124 + 4240874884 = 95818^2 + 65122^2 .

It is not an unprimeable number, because it can be changed into a prime (13421964001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22671941 + ... + 22672532.

Almost surely, 2^13421964008 is an apocalyptic number.

It is an amenable number.

13421964008 is a deficient number, since it is larger than the sum of its proper divisors (12424386172).

13421964008 is a wasteful number, since it uses less digits than its factorization.

13421964008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45344516 (or 45344512 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 13421964008 in words is "thirteen billion, four hundred twenty-one million, nine hundred sixty-four thousand, eight".