4476621649 has 2 divisors, whose sum is σ = 4476621650. Its totient is φ = 4476621648.

The previous prime is 4476621641. The next prime is 4476621661. The reversal of 4476621649 is 9461266744.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4348479249 + 128142400 = 65943^2 + 11320^2 .

It is a cyclic number.

It is not a de Polignac number, because 4476621649 - 2³ = 4476621641 is a prime.

It is not a weakly prime, because it can be changed into another prime (4476621641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2238310824 + 2238310825.

It is an arithmetic number, because the mean of its divisors is an integer number (2238310825).

Almost surely, 2^4476621649 is an apocalyptic number.

It is an amenable number.

4476621649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4476621649 is an equidigital number, since it uses as much as digits as its factorization.

4476621649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 49.

The square root of 4476621649 is about 66907.5604771240. The cubic root of 4476621649 is about 1648.0996363050.

The spelling of 4476621649 in words is "four billion, four hundred seventy-six million, six hundred twenty-one thousand, six hundred forty-nine".