268684242495 has 8 divisors (see below), whose sum is σ = 429894788016. Its totient is φ = 143298262656.

The previous prime is 268684242469. The next prime is 268684242521. The reversal of 268684242495 is 594242486862.

It is an interprime number because it is at equal distance from previous prime (268684242469) and next prime (268684242521).

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

It is not a de Polignac number, because 268684242495 - 2¹⁵ = 268684209727 is a prime.

It is a super-2 number, since 2×268684242495² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8956141402 + ... + 8956141431.

It is an arithmetic number, because the mean of its divisors is an integer number (53736848502).

Almost surely, 2^268684242495 is an apocalyptic number.

268684242495 is a deficient number, since it is larger than the sum of its proper divisors (161210545521).

268684242495 is a wasteful number, since it uses less digits than its factorization.

268684242495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17912282841.

The product of its digits is 53084160, while the sum is 60.

The spelling of 268684242495 in words is "two hundred sixty-eight billion, six hundred eighty-four million, two hundred forty-two thousand, four hundred ninety-five".