13421613552 has 40 divisors (see below), whose sum is σ = 34677947136. Its totient is φ = 4473168576.

The previous prime is 13421613551. The next prime is 13421613613. The reversal of 13421613552 is 25531612431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421613551) 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, 352803 + ... + 388989.

Almost surely, 2^13421613552 is an apocalyptic number.

13421613552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13421613552 is an abundant number, since it is smaller than the sum of its proper divisors (21256333584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13421613552 is a wasteful number, since it uses less digits than its factorization.

13421613552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43925 (or 43919 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The spelling of 13421613552 in words is "thirteen billion, four hundred twenty-one million, six hundred thirteen thousand, five hundred fifty-two".