2050000609 has 2 divisors, whose sum is σ = 2050000610. Its totient is φ = 2050000608.

The previous prime is 2050000553. The next prime is 2050000639. The reversal of 2050000609 is 9060000502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1221712209 + 828288400 = 34953^2 + 28780^2 .

It is a cyclic number.

It is not a de Polignac number, because 2050000609 - 2²¹ = 2047903457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2050000609.

It is not a weakly prime, because it can be changed into another prime (2050000639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025000304 + 1025000305.

It is an arithmetic number, because the mean of its divisors is an integer number (1025000305).

Almost surely, 2^2050000609 is an apocalyptic number.

It is an amenable number.

2050000609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2050000609 is an equidigital number, since it uses as much as digits as its factorization.

2050000609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2050000609 is about 45276.9324159665. The cubic root of 2050000609 is about 1270.3342185665.

Adding to 2050000609 its reverse (9060000502), we get a palindrome (11110001111).

The spelling of 2050000609 in words is "two billion, fifty million, six hundred nine", and thus it is an aban number.