17997568934401 has 32 divisors (see below), whose sum is σ = 22342909252608. Its totient is φ = 14143874088960.

The previous prime is 17997568934393. The next prime is 17997568934413. The reversal of 17997568934401 is 10443986579971.

It is not a de Polignac number, because 17997568934401 - 2³ = 17997568934393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17997568934461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 543016 + ... + 6024118.

It is an arithmetic number, because the mean of its divisors is an integer number (698215914144).

Almost surely, 2^{17997568934401} is an apocalyptic number.

It is an amenable number.

17997568934401 is a deficient number, since it is larger than the sum of its proper divisors (4345340318207).

17997568934401 is a wasteful number, since it uses less digits than its factorization.

17997568934401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5481841.

The product of its (nonzero) digits is 411505920, while the sum is 73.

The spelling of 17997568934401 in words is "seventeen trillion, nine hundred ninety-seven billion, five hundred sixty-eight million, nine hundred thirty-four thousand, four hundred one".