5531623109 has 2 divisors, whose sum is σ = 5531623110. Its totient is φ = 5531623108.

The previous prime is 5531623093. The next prime is 5531623129. The reversal of 5531623109 is 9013261355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3649972225 + 1881650884 = 60415^2 + 43378^2 .

It is a cyclic number.

It is not a de Polignac number, because 5531623109 - 2⁴ = 5531623093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5531623129) 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 as a sum of consecutive naturals, namely, 2765811554 + 2765811555.

It is an arithmetic number, because the mean of its divisors is an integer number (2765811555).

Almost surely, 2^5531623109 is an apocalyptic number.

It is an amenable number.

5531623109 is a deficient number, since it is larger than the sum of its proper divisors (1).

5531623109 is an equidigital number, since it uses as much as digits as its factorization.

5531623109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 5531623109 is about 74374.8822452849. The cubic root of 5531623109 is about 1768.5507526952.

The spelling of 5531623109 in words is "five billion, five hundred thirty-one million, six hundred twenty-three thousand, one hundred nine".