258709269 has 48 divisors (see below), whose sum is σ = 434495040. Its totient is φ = 135717120.

The previous prime is 258709259. The next prime is 258709289. The reversal of 258709269 is 962907852.

It is not a de Polignac number, because 258709269 - 2¹⁹ = 258184981 is a prime.

It is a super-2 number, since 2×258709269² = 133860971733028722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258709259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 632337 + ... + 632745.

It is an arithmetic number, because the mean of its divisors is an integer number (9051980).

Almost surely, 2^258709269 is an apocalyptic number.

It is an amenable number.

258709269 is a deficient number, since it is larger than the sum of its proper divisors (175785771).

258709269 is a wasteful number, since it uses less digits than its factorization.

258709269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 258709269 is about 16084.4418305392. The cubic root of 258709269 is about 637.1925111497.

The spelling of 258709269 in words is "two hundred fifty-eight million, seven hundred nine thousand, two hundred sixty-nine".