3205456849 has 8 divisors (see below), whose sum is σ = 3696989120. Its totient is φ = 2722327056.

The previous prime is 3205456829. The next prime is 3205456867. The reversal of 3205456849 is 9486545023.

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

It is a cyclic number.

It is not a de Polignac number, because 3205456849 - 2⁷ = 3205456721 is a prime.

It is a super-2 number, since 2×3205456849² = 20549907221602017602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3205456799 and 3205456808.

It is not an unprimeable number, because it can be changed into a prime (3205456819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2099799 + ... + 2101324.

It is an arithmetic number, because the mean of its divisors is an integer number (462123640).

Almost surely, 2^3205456849 is an apocalyptic number.

It is an amenable number.

3205456849 is a deficient number, since it is larger than the sum of its proper divisors (491532271).

3205456849 is a wasteful number, since it uses less digits than its factorization.

3205456849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201239.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The square root of 3205456849 is about 56616.7541369160. The cubic root of 3205456849 is about 1474.4497572609.

The spelling of 3205456849 in words is "three billion, two hundred five million, four hundred fifty-six thousand, eight hundred forty-nine".