3621030649 has 16 divisors (see below), whose sum is σ = 3758400000. Its totient is φ = 3486764736.

The previous prime is 3621030629. The next prime is 3621030653. The reversal of 3621030649 is 9460301263.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3621030649 - 2⁹ = 3621030137 is a prime.

It is a super-3 number, since 3×3621030649³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3621030629) 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 15 ways as a sum of consecutive naturals, for example, 721852 + ... + 726850.

It is an arithmetic number, because the mean of its divisors is an integer number (234900000).

Almost surely, 2^3621030649 is an apocalyptic number.

It is an amenable number.

3621030649 is a deficient number, since it is larger than the sum of its proper divisors (137369351).

3621030649 is a wasteful number, since it uses less digits than its factorization.

3621030649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5304.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 3621030649 is about 60175.0001994184. Note that the first 3 decimals coincide. The cubic root of 3621030649 is about 1535.5975136356.

The spelling of 3621030649 in words is "three billion, six hundred twenty-one million, thirty thousand, six hundred forty-nine".