650650619 has 2 divisors, whose sum is σ = 650650620. Its totient is φ = 650650618.

The previous prime is 650650589. The next prime is 650650621. The reversal of 650650619 is 916056056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 650650619 - 2²⁰ = 649602043 is a prime.

It is a super-2 number, since 2×650650619² = 846692456010166322, which contains 22 as substring.

Together with 650650621, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (650650219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325325309 + 325325310.

It is an arithmetic number, because the mean of its divisors is an integer number (325325310).

Almost surely, 2^650650619 is an apocalyptic number.

650650619 is a deficient number, since it is larger than the sum of its proper divisors (1).

650650619 is an equidigital number, since it uses as much as digits as its factorization.

650650619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 650650619 is about 25507.8540649738. The cubic root of 650650619 is about 866.5280303061.

The spelling of 650650619 in words is "six hundred fifty million, six hundred fifty thousand, six hundred nineteen".