2205646463 has 6 divisors (see below), whose sum is σ = 2248050504. Its totient is φ = 2164027736.

The previous prime is 2205646459. The next prime is 2205646477. The reversal of 2205646463 is 3646465022.

It is not a de Polignac number, because 2205646463 - 2² = 2205646459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205649463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 389795 + ... + 395412.

It is an arithmetic number, because the mean of its divisors is an integer number (374675084).

Almost surely, 2^2205646463 is an apocalyptic number.

2205646463 is a deficient number, since it is larger than the sum of its proper divisors (42404041).

2205646463 is an frugal number, since it uses more digits than its factorization.

2205646463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785313 (or 785260 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The square root of 2205646463 is about 46964.3105240565. The cubic root of 2205646463 is about 1301.7031843777.

The spelling of 2205646463 in words is "two billion, two hundred five million, six hundred forty-six thousand, four hundred sixty-three".