8434276009 has 4 divisors (see below), whose sum is σ = 8639990100. Its totient is φ = 8228561920.

The previous prime is 8434275991. The next prime is 8434276063. The reversal of 8434276009 is 9006724348.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1872465984 + 6561810025 = 43272^2 + 81005^2 .

It is a cyclic number.

It is not a de Polignac number, because 8434276009 - 2²⁵ = 8400721577 is a prime.

It is a super-2 number, since 2×8434276009² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8434276069) 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, 102856984 + ... + 102857065.

It is an arithmetic number, because the mean of its divisors is an integer number (2159997525).

Almost surely, 2^8434276009 is an apocalyptic number.

It is an amenable number.

8434276009 is a deficient number, since it is larger than the sum of its proper divisors (205714091).

8434276009 is a wasteful number, since it uses less digits than its factorization.

8434276009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205714090.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 8434276009 is about 91838.3144934618. The cubic root of 8434276009 is about 2035.5538828809.

The spelling of 8434276009 in words is "eight billion, four hundred thirty-four million, two hundred seventy-six thousand, nine".