4641288149 has 2 divisors, whose sum is σ = 4641288150. Its totient is φ = 4641288148.

The previous prime is 4641288131. The next prime is 4641288187. The reversal of 4641288149 is 9418821464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3752175025 + 889113124 = 61255^2 + 29818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4641288149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4641288199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320644074 + 2320644075.

It is an arithmetic number, because the mean of its divisors is an integer number (2320644075).

Almost surely, 2^4641288149 is an apocalyptic number.

It is an amenable number.

4641288149 is a deficient number, since it is larger than the sum of its proper divisors (1).

4641288149 is an equidigital number, since it uses as much as digits as its factorization.

4641288149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 47.

The square root of 4641288149 is about 68127.0001467847. Note that the first 3 decimals coincide. The cubic root of 4641288149 is about 1668.0645162732.

The spelling of 4641288149 in words is "four billion, six hundred forty-one million, two hundred eighty-eight thousand, one hundred forty-nine".