13717421153 has 8 divisors (see below), whose sum is σ = 13810131336. Its totient is φ = 13624934400.

The previous prime is 13717421149. The next prime is 13717421171. The reversal of 13717421153 is 35112471731.

It can be written as a sum of positive squares in 4 ways, for example, as 3910876369 + 9806544784 = 62537^2 + 99028^2 .

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 13717421153 - 2² = 13717421149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13717421173) 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, 68273 + ... + 179153.

It is an arithmetic number, because the mean of its divisors is an integer number (1726266417).

Almost surely, 2^13717421153 is an apocalyptic number.

It is an amenable number.

13717421153 is a deficient number, since it is larger than the sum of its proper divisors (92710183).

13717421153 is a wasteful number, since it uses less digits than its factorization.

13717421153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111715.

The product of its digits is 17640, while the sum is 35.

Adding to 13717421153 its reverse (35112471731), we get a palindrome (48829892884).

The spelling of 13717421153 in words is "thirteen billion, seven hundred seventeen million, four hundred twenty-one thousand, one hundred fifty-three".