5003645561 has 8 divisors (see below), whose sum is σ = 5222050560. Its totient is φ = 4785311872.

The previous prime is 5003645539. The next prime is 5003645579. The reversal of 5003645561 is 1655463005.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5003645561 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 (5003645501) 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, 166025 + ... + 193833.

It is an arithmetic number, because the mean of its divisors is an integer number (652756320).

Almost surely, 2^5003645561 is an apocalyptic number.

It is an amenable number.

5003645561 is a deficient number, since it is larger than the sum of its proper divisors (218404999).

5003645561 is a wasteful number, since it uses less digits than its factorization.

5003645561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35655.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 5003645561 is about 70736.4514306450. The cubic root of 5003645561 is about 1710.3914338223.

The spelling of 5003645561 in words is "five billion, three million, six hundred forty-five thousand, five hundred sixty-one".