8258452869 has 4 divisors (see below), whose sum is σ = 11011270496. Its totient is φ = 5505635244.

The previous prime is 8258452819. The next prime is 8258452871. The reversal of 8258452869 is 9682548528.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8258452869 - 2²¹ = 8256355717 is a prime.

It is a super-2 number, since 2×8258452869² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8258452819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376408809 + ... + 1376408814.

It is an arithmetic number, because the mean of its divisors is an integer number (2752817624).

Almost surely, 2^8258452869 is an apocalyptic number.

It is an amenable number.

8258452869 is a deficient number, since it is larger than the sum of its proper divisors (2752817627).

8258452869 is a wasteful number, since it uses less digits than its factorization.

8258452869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752817626.

The product of its digits is 11059200, while the sum is 57.

The square root of 8258452869 is about 90876.0302224960. The cubic root of 8258452869 is about 2021.3098772290.

The spelling of 8258452869 in words is "eight billion, two hundred fifty-eight million, four hundred fifty-two thousand, eight hundred sixty-nine".