269826798809 has 4 divisors (see below), whose sum is σ = 269940126180. Its totient is φ = 269713471440.

The previous prime is 269826798803. The next prime is 269826798847. The reversal of 269826798809 is 908897628962.

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 6021294409 + 263805504400 = 77597^2 + 513620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-269826798809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (269826798803) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 56660114 + ... + 56664875.

It is an arithmetic number, because the mean of its divisors is an integer number (67485031545).

Almost surely, 2^269826798809 is an apocalyptic number.

It is an amenable number.

269826798809 is a deficient number, since it is larger than the sum of its proper divisors (113327371).

269826798809 is a wasteful number, since it uses less digits than its factorization.

269826798809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113327370.

The product of its (nonzero) digits is 376233984, while the sum is 74.

The spelling of 269826798809 in words is "two hundred sixty-nine billion, eight hundred twenty-six million, seven hundred ninety-eight thousand, eight hundred nine".