268008794461 has 4 divisors (see below), whose sum is σ = 268290021852. Its totient is φ = 267727567072.

The previous prime is 268008794429. The next prime is 268008794483. The reversal of 268008794461 is 164497800862.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 210411194436 + 57597600025 = 458706^2 + 239995^2 .

It is a cyclic number.

It is not a de Polignac number, because 268008794461 - 2⁵ = 268008794429 is a prime.

It is a super-3 number, since 3×268008794461³ (a number of 35 digits) contains 333 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 (268008794161) 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, 140612266 + ... + 140614171.

It is an arithmetic number, because the mean of its divisors is an integer number (67072505463).

Almost surely, 2^268008794461 is an apocalyptic number.

It is an amenable number.

268008794461 is a deficient number, since it is larger than the sum of its proper divisors (281227391).

268008794461 is an equidigital number, since it uses as much as digits as its factorization.

268008794461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281227390.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 268008794461 in words is "two hundred sixty-eight billion, eight million, seven hundred ninety-four thousand, four hundred sixty-one".