269371081 has 12 divisors (see below), whose sum is σ = 314139540. Its totient is φ = 230307840.

The previous prime is 269371073. The next prime is 269371093. The reversal of 269371081 is 180173962.

It can be written as a sum of positive squares in 2 ways, for example, as 145805625 + 123565456 = 12075^2 + 11116^2 .

It is not a de Polignac number, because 269371081 - 2³ = 269371073 is a prime.

It is a super-2 number, since 2×269371081² = 145121558558217122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 269371081.

It is not an unprimeable number, because it can be changed into a prime (269371031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13321 + ... + 26761.

It is an arithmetic number, because the mean of its divisors is an integer number (26178295).

Almost surely, 2^269371081 is an apocalyptic number.

It is an amenable number.

269371081 is a deficient number, since it is larger than the sum of its proper divisors (44768459).

269371081 is a wasteful number, since it uses less digits than its factorization.

269371081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13864 (or 13857 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 269371081 is about 16412.5281721007. The cubic root of 269371081 is about 645.8281779993.

The spelling of 269371081 in words is "two hundred sixty-nine million, three hundred seventy-one thousand, eighty-one".