13225609339921 has 8 divisors (see below), whose sum is σ = 14430546086688. Its totient is φ = 12021107364000.

The previous prime is 13225609339903. The next prime is 13225609339963. The reversal of 13225609339921 is 12993390652231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13225609339921 - 2⁵ = 13225609339889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13225609339991) 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, 108629100 + ... + 108750781.

It is an arithmetic number, because the mean of its divisors is an integer number (1803818260836).

Almost surely, 2^{13225609339921} is an apocalyptic number.

13225609339921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13225609339921 is a deficient number, since it is larger than the sum of its proper divisors (1204936746767).

13225609339921 is a wasteful number, since it uses less digits than its factorization.

13225609339921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217385423.

The product of its (nonzero) digits is 4723920, while the sum is 55.

The spelling of 13225609339921 in words is "thirteen trillion, two hundred twenty-five billion, six hundred nine million, three hundred thirty-nine thousand, nine hundred twenty-one".