13217430551 has 8 divisors (see below), whose sum is σ = 14305687200. Its totient is φ = 12139392672.

The previous prime is 13217430509. The next prime is 13217430559. The reversal of 13217430551 is 15503471231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13217430551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13217430559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2552000 + ... + 2557173.

It is an arithmetic number, because the mean of its divisors is an integer number (1788210900).

Almost surely, 2^13217430551 is an apocalyptic number.

13217430551 is a deficient number, since it is larger than the sum of its proper divisors (1088256649).

13217430551 is a wasteful number, since it uses less digits than its factorization.

13217430551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5109385.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 13217430551 in words is "thirteen billion, two hundred seventeen million, four hundred thirty thousand, five hundred fifty-one".