8499025469 has 4 divisors (see below), whose sum is σ = 9271664160. Its totient is φ = 7726386780.

The previous prime is 8499025459. The next prime is 8499025471. The reversal of 8499025469 is 9645209948.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8499025469 is a prime.

It is a super-2 number, since 2×8499025469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8499025439) 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, 386319329 + ... + 386319350.

It is an arithmetic number, because the mean of its divisors is an integer number (2317916040).

Almost surely, 2^8499025469 is an apocalyptic number.

It is an amenable number.

8499025469 is a deficient number, since it is larger than the sum of its proper divisors (772638691).

8499025469 is a wasteful number, since it uses less digits than its factorization.

8499025469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772638690.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The square root of 8499025469 is about 92190.1592850343. The cubic root of 8499025469 is about 2040.7495538714.

The spelling of 8499025469 in words is "eight billion, four hundred ninety-nine million, twenty-five thousand, four hundred sixty-nine".