650550500051 has 2 divisors, whose sum is σ = 650550500052. Its totient is φ = 650550500050.

The previous prime is 650550499957. The next prime is 650550500053. The reversal of 650550500051 is 150005055056.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650550500051 is a prime.

It is a Sophie Germain prime.

Together with 650550500053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 650550499990 and 650550500017.

It is not a weakly prime, because it can be changed into another prime (650550500053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325275250025 + 325275250026.

It is an arithmetic number, because the mean of its divisors is an integer number (325275250026).

Almost surely, 2^650550500051 is an apocalyptic number.

650550500051 is a deficient number, since it is larger than the sum of its proper divisors (1).

650550500051 is an equidigital number, since it uses as much as digits as its factorization.

650550500051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 650550500051 in words is "six hundred fifty billion, five hundred fifty million, five hundred thousand, fifty-one".