4550645191 has 4 divisors (see below), whose sum is σ = 4551571872. Its totient is φ = 4549718512.

The previous prime is 4550645131. The next prime is 4550645213. The reversal of 4550645191 is 1915460554.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4550645191 - 2¹³ = 4550636999 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 (4550645131) 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 3 ways as a sum of consecutive naturals, for example, 455935 + ... + 465808.

It is an arithmetic number, because the mean of its divisors is an integer number (1137892968).

Almost surely, 2^4550645191 is an apocalyptic number.

4550645191 is a deficient number, since it is larger than the sum of its proper divisors (926681).

4550645191 is an equidigital number, since it uses as much as digits as its factorization.

4550645191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926680.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 4550645191 is about 67458.4701205119. The cubic root of 4550645191 is about 1657.1341162670.

The spelling of 4550645191 in words is "four billion, five hundred fifty million, six hundred forty-five thousand, one hundred ninety-one".