17968325697 has 12 divisors (see below), whose sum is σ = 29661998080. Its totient is φ = 10267614648.

The previous prime is 17968325671. The next prime is 17968325699. The reversal of 17968325697 is 79652386971.

17968325697 is a `hidden beast` number, since 1 + 7 + 9 + 68 + 3 + 2 + 569 + 7 = 666.

It is not a de Polignac number, because 17968325697 - 2¹² = 17968321601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 285211519 = 17968325697 / (1 + 7 + 9 + 6 + 8 + 3 + 2 + 5 + 6 + 9 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17968325699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142605697 + ... + 142605822.

Almost surely, 2^17968325697 is an apocalyptic number.

It is an amenable number.

17968325697 is a deficient number, since it is larger than the sum of its proper divisors (11693672383).

17968325697 is a wasteful number, since it uses less digits than its factorization.

17968325697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285211532 (or 285211529 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 63.

The spelling of 17968325697 in words is "seventeen billion, nine hundred sixty-eight million, three hundred twenty-five thousand, six hundred ninety-seven".