493039000009 has 2 divisors, whose sum is σ = 493039000010. Its totient is φ = 493039000008.

The previous prime is 493038999997. The next prime is 493039000019. The reversal of 493039000009 is 900000930394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426872756025 + 66166243984 = 653355^2 + 257228^2 .

It is a cyclic number.

It is not a de Polignac number, because 493039000009 - 2¹⁷ = 493038868937 is a prime.

It is not a weakly prime, because it can be changed into another prime (493039000019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246519500004 + 246519500005.

It is an arithmetic number, because the mean of its divisors is an integer number (246519500005).

Almost surely, 2^493039000009 is an apocalyptic number.

It is an amenable number.

493039000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

493039000009 is an equidigital number, since it uses as much as digits as its factorization.

493039000009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 37.

The spelling of 493039000009 in words is "four hundred ninety-three billion, thirty-nine million, nine", and thus it is an aban number.