268474216319 has 4 divisors (see below), whose sum is σ = 268477295520. Its totient is φ = 268471137120.

The previous prime is 268474216277. The next prime is 268474216327. The reversal of 268474216319 is 913612474862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268474216319 - 2⁸ = 268474216063 is a prime.

It is a super-2 number, since 2×268474216319² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268474216349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404887 + ... + 1584504.

It is an arithmetic number, because the mean of its divisors is an integer number (67119323880).

Almost surely, 2^268474216319 is an apocalyptic number.

268474216319 is a deficient number, since it is larger than the sum of its proper divisors (3079201).

268474216319 is an equidigital number, since it uses as much as digits as its factorization.

268474216319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079200.

The product of its digits is 3483648, while the sum is 53.

The spelling of 268474216319 in words is "two hundred sixty-eight billion, four hundred seventy-four million, two hundred sixteen thousand, three hundred nineteen".