8394539469 has 8 divisors (see below), whose sum is σ = 11194092672. Its totient is φ = 5595672960.

The previous prime is 8394539467. The next prime is 8394539479. The reversal of 8394539469 is 9649354938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8394539469 - 2¹ = 8394539467 is a prime.

It is a super-2 number, since 2×8394539469² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8394539467) 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 7 ways as a sum of consecutive naturals, for example, 142437 + ... + 192554.

It is an arithmetic number, because the mean of its divisors is an integer number (1399261584).

Almost surely, 2^8394539469 is an apocalyptic number.

It is an amenable number.

8394539469 is a deficient number, since it is larger than the sum of its proper divisors (2799553203).

8394539469 is a wasteful number, since it uses less digits than its factorization.

8394539469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343347.

The product of its digits is 25194240, while the sum is 60.

The square root of 8394539469 is about 91621.7194173958. The cubic root of 8394539469 is about 2032.3521368932.

The spelling of 8394539469 in words is "eight billion, three hundred ninety-four million, five hundred thirty-nine thousand, four hundred sixty-nine".