269536090561 has 8 divisors (see below), whose sum is σ = 270290795400. Its totient is φ = 268782428160.

The previous prime is 269536090547. The next prime is 269536090573. The reversal of 269536090561 is 165090635962.

269536090561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 231198450561 + 38337640000 = 480831^2 + 195800^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 269536090561 - 2⁷ = 269536090433 is a prime.

It is a super-2 number, since 2×269536090561² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 269536090499 and 269536090508.

It is not an unprimeable number, because it can be changed into a prime (269536090501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258685 + ... + 778453.

It is an arithmetic number, because the mean of its divisors is an integer number (33786349425).

Almost surely, 2^269536090561 is an apocalyptic number.

It is an amenable number.

269536090561 is a deficient number, since it is larger than the sum of its proper divisors (754704839).

269536090561 is an equidigital number, since it uses as much as digits as its factorization.

269536090561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521219.

The product of its (nonzero) digits is 2624400, while the sum is 52.

The spelling of 269536090561 in words is "two hundred sixty-nine billion, five hundred thirty-six million, ninety thousand, five hundred sixty-one".