50500000609 has 2 divisors, whose sum is σ = 50500000610. Its totient is φ = 50500000608.

The previous prime is 50500000487. The next prime is 50500000613. The reversal of 50500000609 is 90600000505.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47419417600 + 3080583009 = 217760^2 + 55503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50500000609 is a prime.

It is not a weakly prime, because it can be changed into another prime (50500000679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25250000304 + 25250000305.

It is an arithmetic number, because the mean of its divisors is an integer number (25250000305).

Almost surely, 2^50500000609 is an apocalyptic number.

It is an amenable number.

50500000609 is a deficient number, since it is larger than the sum of its proper divisors (1).

50500000609 is an equidigital number, since it uses as much as digits as its factorization.

50500000609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 25.

The spelling of 50500000609 in words is "fifty billion, five hundred million, six hundred nine", and thus it is an aban number.