5603500909 has 2 divisors, whose sum is σ = 5603500910. Its totient is φ = 5603500908.

The previous prime is 5603500831. The next prime is 5603500913. The reversal of 5603500909 is 9090053065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3875436009 + 1728064900 = 62253^2 + 41570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5603500909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5603500009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2801750454 + 2801750455.

It is an arithmetic number, because the mean of its divisors is an integer number (2801750455).

Almost surely, 2^5603500909 is an apocalyptic number.

It is an amenable number.

5603500909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5603500909 is an equidigital number, since it uses as much as digits as its factorization.

5603500909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 5603500909 is about 74856.5355129397. The cubic root of 5603500909 is about 1776.1779824816.

The spelling of 5603500909 in words is "five billion, six hundred three million, five hundred thousand, nine hundred nine".