5018203009 has 2 divisors, whose sum is σ = 5018203010. Its totient is φ = 5018203008.

The previous prime is 5018202971. The next prime is 5018203013. The reversal of 5018203009 is 9003028105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4398342400 + 619860609 = 66320^2 + 24897^2 .

It is a cyclic number.

It is not a de Polignac number, because 5018203009 - 2¹³ = 5018194817 is a prime.

It is a super-2 number, since 2×5018203009² = 50364722879073308162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5018203039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2509101504 + 2509101505.

It is an arithmetic number, because the mean of its divisors is an integer number (2509101505).

Almost surely, 2^5018203009 is an apocalyptic number.

It is an amenable number.

5018203009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5018203009 is an equidigital number, since it uses as much as digits as its factorization.

5018203009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 5018203009 is about 70839.2758926854. The cubic root of 5018203009 is about 1712.0485473730.

The spelling of 5018203009 in words is "five billion, eighteen million, two hundred three thousand, nine".