268143005635 has 8 divisors (see below), whose sum is σ = 322081306560. Its totient is φ = 214307937984.

The previous prime is 268143005531. The next prime is 268143005659. The reversal of 268143005635 is 536500341862.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268143005635 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268143005591 and 268143005600.

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, 25802602 + ... + 25812991.

It is an arithmetic number, because the mean of its divisors is an integer number (40260163320).

Almost surely, 2^268143005635 is an apocalyptic number.

268143005635 is a deficient number, since it is larger than the sum of its proper divisors (53938300925).

268143005635 is a wasteful number, since it uses less digits than its factorization.

268143005635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51616637.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 268143005635 in words is "two hundred sixty-eight billion, one hundred forty-three million, five thousand, six hundred thirty-five".