17324332421 has 6 divisors (see below), whose sum is σ = 19042448166. Its totient is φ = 15749393000.

The previous prime is 17324332391. The next prime is 17324332433. The reversal of 17324332421 is 12423342371.

It can be written as a sum of positive squares in only one way, i.e., 16138907521 + 1185424900 = 127039^2 + 34430^2 .

It is not a de Polignac number, because 17324332421 - 2⁶ = 17324332357 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 (17324332121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71588030 + ... + 71588271.

It is an arithmetic number, because the mean of its divisors is an integer number (3173741361).

Almost surely, 2^17324332421 is an apocalyptic number.

17324332421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

17324332421 is a deficient number, since it is larger than the sum of its proper divisors (1718115745).

17324332421 is a wasteful number, since it uses less digits than its factorization.

17324332421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143176323 (or 143176312 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

Adding to 17324332421 its reverse (12423342371), we get a palindrome (29747674792).

The spelling of 17324332421 in words is "seventeen billion, three hundred twenty-four million, three hundred thirty-two thousand, four hundred twenty-one".