550221699707 has 2 divisors, whose sum is σ = 550221699708. Its totient is φ = 550221699706.

The previous prime is 550221699689. The next prime is 550221699743. The reversal of 550221699707 is 707996122055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550221699707 - 2¹⁰ = 550221698683 is a prime.

It is not a weakly prime, because it can be changed into another prime (550221699767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275110849853 + 275110849854.

It is an arithmetic number, because the mean of its divisors is an integer number (275110849854).

Almost surely, 2^550221699707 is an apocalyptic number.

550221699707 is a deficient number, since it is larger than the sum of its proper divisors (1).

550221699707 is an equidigital number, since it uses as much as digits as its factorization.

550221699707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The spelling of 550221699707 in words is "five hundred fifty billion, two hundred twenty-one million, six hundred ninety-nine thousand, seven hundred seven".