4198563505 has 4 divisors (see below), whose sum is σ = 5038276212. Its totient is φ = 3358850800.

The previous prime is 4198563503. The next prime is 4198563541. The reversal of 4198563505 is 5053658914.

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 2850278544 + 1348284961 = 53388^2 + 36719^2 .

It is not a de Polignac number, because 4198563505 - 2¹ = 4198563503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4198563503) 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, 419856346 + ... + 419856355.

It is an arithmetic number, because the mean of its divisors is an integer number (1259569053).

Almost surely, 2^4198563505 is an apocalyptic number.

It is an amenable number.

4198563505 is a deficient number, since it is larger than the sum of its proper divisors (839712707).

4198563505 is an equidigital number, since it uses as much as digits as its factorization.

4198563505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839712706.

The product of its (nonzero) digits is 648000, while the sum is 46.

The square root of 4198563505 is about 64796.3232367393. The cubic root of 4198563505 is about 1613.2446820193.

The spelling of 4198563505 in words is "four billion, one hundred ninety-eight million, five hundred sixty-three thousand, five hundred five".