650432306009 has 2 divisors, whose sum is σ = 650432306010. Its totient is φ = 650432306008.

The previous prime is 650432305961. The next prime is 650432306039. The reversal of 650432306009 is 900603234056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 608056848400 + 42375457609 = 779780^2 + 205853^2 .

It is a cyclic number.

It is not a de Polignac number, because 650432306009 - 2¹² = 650432301913 is a prime.

It is not a weakly prime, because it can be changed into another prime (650432306039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325216153004 + 325216153005.

It is an arithmetic number, because the mean of its divisors is an integer number (325216153005).

Almost surely, 2^650432306009 is an apocalyptic number.

It is an amenable number.

650432306009 is a deficient number, since it is larger than the sum of its proper divisors (1).

650432306009 is an equidigital number, since it uses as much as digits as its factorization.

650432306009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 650432306009 in words is "six hundred fifty billion, four hundred thirty-two million, three hundred six thousand, nine".