268465889811 has 16 divisors (see below), whose sum is σ = 409213359104. Its totient is φ = 153363150144.

The previous prime is 268465889767. The next prime is 268465889849. The reversal of 268465889811 is 118988564862.

It is not a de Polignac number, because 268465889811 - 2⁹ = 268465889299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268465881811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1841866 + ... + 1982271.

It is an arithmetic number, because the mean of its divisors is an integer number (25575834944).

Almost surely, 2^268465889811 is an apocalyptic number.

268465889811 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

268465889811 is a deficient number, since it is larger than the sum of its proper divisors (140747469293).

268465889811 is a wasteful number, since it uses less digits than its factorization.

268465889811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3827490.

The product of its digits is 53084160, while the sum is 66.

The spelling of 268465889811 in words is "two hundred sixty-eight billion, four hundred sixty-five million, eight hundred eighty-nine thousand, eight hundred eleven".