650214469 has 2 divisors, whose sum is σ = 650214470. Its totient is φ = 650214468.

The previous prime is 650214443. The next prime is 650214493. The reversal of 650214469 is 964412056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372991969 + 277222500 = 19313^2 + 16650^2 .

It is a cyclic number.

It is not a de Polignac number, because 650214469 - 2⁵ = 650214437 is a prime.

It is a super-2 number, since 2×650214469² = 845557711393903922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650214569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325107234 + 325107235.

It is an arithmetic number, because the mean of its divisors is an integer number (325107235).

Almost surely, 2^650214469 is an apocalyptic number.

It is an amenable number.

650214469 is a deficient number, since it is larger than the sum of its proper divisors (1).

650214469 is an equidigital number, since it uses as much as digits as its factorization.

650214469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 650214469 is about 25499.3033042081. The cubic root of 650214469 is about 866.3343673950.

The spelling of 650214469 in words is "six hundred fifty million, two hundred fourteen thousand, four hundred sixty-nine".