269540491 has 16 divisors (see below), whose sum is σ = 313746048. Its totient is φ = 228841600.

The previous prime is 269540489. The next prime is 269540501. The reversal of 269540491 is 194045962.

It is a cyclic number.

It is not a de Polignac number, because 269540491 - 2¹ = 269540489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (269540891) 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 15 ways as a sum of consecutive naturals, for example, 18996 + ... + 29998.

It is an arithmetic number, because the mean of its divisors is an integer number (19609128).

Almost surely, 2^269540491 is an apocalyptic number.

269540491 is a deficient number, since it is larger than the sum of its proper divisors (44205557).

269540491 is a wasteful number, since it uses less digits than its factorization.

269540491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11162.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 269540491 is about 16417.6883573785. The cubic root of 269540491 is about 645.9635387601.

The spelling of 269540491 in words is "two hundred sixty-nine million, five hundred forty thousand, four hundred ninety-one".