17217070432642 has 16 divisors (see below), whose sum is σ = 27203898486240. Its totient is φ = 8149739285088.

The previous prime is 17217070432637. The next prime is 17217070432651. The reversal of 17217070432642 is 24623407071271.

It is a junction number, because it is equal to n+sod(n) for n = 17217070432592 and 17217070432601.

It is an unprimeable number.

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, 158698683 + ... + 158807134.

It is an arithmetic number, because the mean of its divisors is an integer number (1700243655390).

Almost surely, 2^{17217070432642} is an apocalyptic number.

17217070432642 is a deficient number, since it is larger than the sum of its proper divisors (9986828053598).

17217070432642 is a wasteful number, since it uses less digits than its factorization.

17217070432642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317507265.

The product of its (nonzero) digits is 790272, while the sum is 46.

The spelling of 17217070432642 in words is "seventeen trillion, two hundred seventeen billion, seventy million, four hundred thirty-two thousand, six hundred forty-two".