650870770769 has 2 divisors, whose sum is σ = 650870770770. Its totient is φ = 650870770768.

The previous prime is 650870770763. The next prime is 650870770829. The reversal of 650870770769 is 967077078056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 470575420225 + 180295350544 = 685985^2 + 424612^2 .

It is a cyclic number.

It is not a de Polignac number, because 650870770769 - 2⁸ = 650870770513 is a prime.

It is a super-2 number, since 2×650870770769² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (650870770763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325435385384 + 325435385385.

It is an arithmetic number, because the mean of its divisors is an integer number (325435385385).

Almost surely, 2^650870770769 is an apocalyptic number.

It is an amenable number.

650870770769 is a deficient number, since it is larger than the sum of its proper divisors (1).

650870770769 is an equidigital number, since it uses as much as digits as its factorization.

650870770769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31116960, while the sum is 62.

The spelling of 650870770769 in words is "six hundred fifty billion, eight hundred seventy million, seven hundred seventy thousand, seven hundred sixty-nine".