5258742669 has 20 divisors (see below), whose sum is σ = 7888277980. Its totient is φ = 3491268480.

The previous prime is 5258742647. The next prime is 5258742737. The reversal of 5258742669 is 9662478525.

5258742669 is a `hidden beast` number, since 52 + 587 + 4 + 2 + 6 + 6 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3406473225 + 1852269444 = 58365^2 + 43038^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5258742669 is a prime.

It is a super-2 number, since 2×5258742669² = 55308748917522487122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5258742569) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 115174 + ... + 154215.

It is an arithmetic number, because the mean of its divisors is an integer number (394413899).

Almost surely, 2^5258742669 is an apocalyptic number.

It is an amenable number.

5258742669 is a deficient number, since it is larger than the sum of its proper divisors (2629535311).

5258742669 is a wasteful number, since it uses less digits than its factorization.

5258742669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269642 (or 269633 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The square root of 5258742669 is about 72517.1887830740. The cubic root of 5258742669 is about 1738.9775413934.

The spelling of 5258742669 in words is "five billion, two hundred fifty-eight million, seven hundred forty-two thousand, six hundred sixty-nine".