4461556649 has 24 divisors (see below), whose sum is σ = 5340216000. Its totient is φ = 3709933920.

The previous prime is 4461556643. The next prime is 4461556657. The reversal of 4461556649 is 9466551644.

It is not a de Polignac number, because 4461556649 - 2¹² = 4461552553 is a prime.

It is a super-2 number, since 2×4461556649² = 39810975464472218402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4461556597 and 4461556606.

It is not an unprimeable number, because it can be changed into a prime (4461556643) 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 23 ways as a sum of consecutive naturals, for example, 33212 + ... + 100130.

It is an arithmetic number, because the mean of its divisors is an integer number (222509000).

Almost surely, 2^4461556649 is an apocalyptic number.

It is an amenable number.

4461556649 is a deficient number, since it is larger than the sum of its proper divisors (878659351).

4461556649 is a wasteful number, since it uses less digits than its factorization.

4461556649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66989 (or 66978 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 50.

The square root of 4461556649 is about 66794.8849014653. The cubic root of 4461556649 is about 1646.2487967840.

The spelling of 4461556649 in words is "four billion, four hundred sixty-one million, five hundred fifty-six thousand, six hundred forty-nine".