4566205949 has 4 divisors (see below), whose sum is σ = 4567927164. Its totient is φ = 4564484736.

The previous prime is 4566205921. The next prime is 4566205961. The reversal of 4566205949 is 9495026654.

It is a happy number.

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 3304180324 + 1262025625 = 57482^2 + 35525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4566205949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4566205897 and 4566205906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4566205979) 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, 856622 + ... + 861935.

It is an arithmetic number, because the mean of its divisors is an integer number (1141981791).

Almost surely, 2^4566205949 is an apocalyptic number.

It is an amenable number.

4566205949 is a deficient number, since it is larger than the sum of its proper divisors (1721215).

4566205949 is a wasteful number, since it uses less digits than its factorization.

4566205949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721214.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The square root of 4566205949 is about 67573.7075274104. The cubic root of 4566205949 is about 1659.0208030898.

The spelling of 4566205949 in words is "four billion, five hundred sixty-six million, two hundred five thousand, nine hundred forty-nine".