4505745049 has 4 divisors (see below), whose sum is σ = 4852340836. Its totient is φ = 4159149264.

The previous prime is 4505745043. The next prime is 4505745071. The reversal of 4505745049 is 9405475054.

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 1441569024 + 3064176025 = 37968^2 + 55355^2 .

It is a cyclic number.

It is not a de Polignac number, because 4505745049 - 2¹¹ = 4505743001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4505744996 and 4505745014.

It is not an unprimeable number, because it can be changed into a prime (4505745043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173297874 + ... + 173297899.

It is an arithmetic number, because the mean of its divisors is an integer number (1213085209).

Almost surely, 2^4505745049 is an apocalyptic number.

It is an amenable number.

4505745049 is a deficient number, since it is larger than the sum of its proper divisors (346595787).

4505745049 is a wasteful number, since it uses less digits than its factorization.

4505745049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346595786.

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 4505745049 is about 67124.8467335308. The cubic root of 4505745049 is about 1651.6659084035.

The spelling of 4505745049 in words is "four billion, five hundred five million, seven hundred forty-five thousand, forty-nine".