17130451234421 has 16 divisors (see below), whose sum is σ = 20037263664000. Its totient is φ = 14338687039488.

The previous prime is 17130451234373. The next prime is 17130451234453. The reversal of 17130451234421 is 12443215403171.

It is a de Polignac number, because none of the positive numbers 2^k-17130451234421 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 (17130451234021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4721516 + ... + 7520213.

It is an arithmetic number, because the mean of its divisors is an integer number (1252328979000).

Almost surely, 2^{17130451234421} is an apocalyptic number.

It is an amenable number.

17130451234421 is a deficient number, since it is larger than the sum of its proper divisors (2906812429579).

17130451234421 is a wasteful number, since it uses less digits than its factorization.

17130451234421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12246428.

The product of its (nonzero) digits is 80640, while the sum is 38.

Adding to 17130451234421 its reverse (12443215403171), we get a palindrome (29573666637592).

The spelling of 17130451234421 in words is "seventeen trillion, one hundred thirty billion, four hundred fifty-one million, two hundred thirty-four thousand, four hundred twenty-one".