650530566655447 has 2 divisors, whose sum is σ = 650530566655448. Its totient is φ = 650530566655446.

The previous prime is 650530566655429. The next prime is 650530566655481. The reversal of 650530566655447 is 744556665035056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 650530566655447 - 2⁴⁷ = 509793078300119 is a prime.

It is a super-2 number, since 2×650530566655447² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650530566655427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325265283327723 + 325265283327724.

It is an arithmetic number, because the mean of its divisors is an integer number (325265283327724).

Almost surely, 2^{650530566655447} is an apocalyptic number.

650530566655447 is a deficient number, since it is larger than the sum of its proper divisors (1).

650530566655447 is an equidigital number, since it uses as much as digits as its factorization.

650530566655447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800000, while the sum is 67.

The spelling of 650530566655447 in words is "six hundred fifty trillion, five hundred thirty billion, five hundred sixty-six million, six hundred fifty-five thousand, four hundred forty-seven".