3624988649 has 8 divisors (see below), whose sum is σ = 3667867560. Its totient is φ = 3582222336.

The previous prime is 3624988589. The next prime is 3624988687. The reversal of 3624988649 is 9468894263.

It can be written as a sum of positive squares in 4 ways, for example, as 20187049 + 3604801600 = 4493^2 + 60040^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3624988649 - 2¹² = 3624984553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3624988049) 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 in 7 ways as a sum of consecutive naturals, for example, 37517 + ... + 93045.

It is an arithmetic number, because the mean of its divisors is an integer number (458483445).

Almost surely, 2^3624988649 is an apocalyptic number.

It is an amenable number.

3624988649 is a deficient number, since it is larger than the sum of its proper divisors (42878911).

3624988649 is an equidigital number, since it uses as much as digits as its factorization.

3624988649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56299.

The product of its digits is 17915904, while the sum is 59.

The square root of 3624988649 is about 60207.8786289635. The cubic root of 3624988649 is about 1536.1568094450.

The spelling of 3624988649 in words is "three billion, six hundred twenty-four million, nine hundred eighty-eight thousand, six hundred forty-nine".