6229209505 has 4 divisors (see below), whose sum is σ = 7475051412. Its totient is φ = 4983367600.

The previous prime is 6229209473. The next prime is 6229209509. The reversal of 6229209505 is 5059029226.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5059029226 = 2 ⋅2529514613.

It can be written as a sum of positive squares in 2 ways, for example, as 972379489 + 5256830016 = 31183^2 + 72504^2 .

It is not a de Polignac number, because 6229209505 - 2⁵ = 6229209473 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6229209509) 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, 622920946 + ... + 622920955.

It is an arithmetic number, because the mean of its divisors is an integer number (1868762853).

Almost surely, 2^6229209505 is an apocalyptic number.

It is an amenable number.

6229209505 is a deficient number, since it is larger than the sum of its proper divisors (1245841907).

6229209505 is a wasteful number, since it uses less digits than its factorization.

6229209505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245841906.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 6229209505 is about 78925.3413359740. The cubic root of 6229209505 is about 1839.9710046825.

The spelling of 6229209505 in words is "six billion, two hundred twenty-nine million, two hundred nine thousand, five hundred five".