4437662649 has 16 divisors (see below), whose sum is σ = 6763435008. Its totient is φ = 2535326352.

The previous prime is 4437662641. The next prime is 4437662683. The reversal of 4437662649 is 9462667344.

4437662649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4437662649 - 2³ = 4437662641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4437662641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114274 + ... + 148100.

It is an arithmetic number, because the mean of its divisors is an integer number (422714688).

Almost surely, 2^4437662649 is an apocalyptic number.

It is an amenable number.

4437662649 is a deficient number, since it is larger than the sum of its proper divisors (2325772359).

4437662649 is a wasteful number, since it uses less digits than its factorization.

4437662649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40084.

The product of its digits is 5225472, while the sum is 51.

The square root of 4437662649 is about 66615.7837828243. The cubic root of 4437662649 is about 1643.3046898810.

The spelling of 4437662649 in words is "four billion, four hundred thirty-seven million, six hundred sixty-two thousand, six hundred forty-nine".