258317698985 has 8 divisors (see below), whose sum is σ = 316576584576. Its totient is φ = 202257262000.

The previous prime is 258317698967. The next prime is 258317698993. The reversal of 258317698985 is 589896713852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 258317698985 - 2⁸ = 258317698729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549611891 + ... + 549612360.

It is an arithmetic number, because the mean of its divisors is an integer number (39572073072).

Almost surely, 2^258317698985 is an apocalyptic number.

It is an amenable number.

258317698985 is a deficient number, since it is larger than the sum of its proper divisors (58258885591).

258317698985 is a wasteful number, since it uses less digits than its factorization.

258317698985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099224303.

The product of its digits is 261273600, while the sum is 71.

The spelling of 258317698985 in words is "two hundred fifty-eight billion, three hundred seventeen million, six hundred ninety-eight thousand, nine hundred eighty-five".