650574306469 has 2 divisors, whose sum is σ = 650574306470. Its totient is φ = 650574306468.

The previous prime is 650574306457. The next prime is 650574306479. The reversal of 650574306469 is 964603475056.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 650380957444 + 193349025 = 806462^2 + 13905^2 .

It is a cyclic number.

It is not a de Polignac number, because 650574306469 - 2¹¹ = 650574304421 is a prime.

It is a super-2 number, since 2×650574306469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650574306479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325287153234 + 325287153235.

It is an arithmetic number, because the mean of its divisors is an integer number (325287153235).

Almost surely, 2^650574306469 is an apocalyptic number.

It is an amenable number.

650574306469 is a deficient number, since it is larger than the sum of its proper divisors (1).

650574306469 is an equidigital number, since it uses as much as digits as its factorization.

650574306469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16329600, while the sum is 55.

The spelling of 650574306469 in words is "six hundred fifty billion, five hundred seventy-four million, three hundred six thousand, four hundred sixty-nine".