550421293069 has 2 divisors, whose sum is σ = 550421293070. Its totient is φ = 550421293068.

The previous prime is 550421293063. The next prime is 550421293099. The reversal of 550421293069 is 960392124055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 531914955625 + 18506337444 = 729325^2 + 136038^2 .

It is a cyclic number.

It is not a de Polignac number, because 550421293069 - 2³ = 550421293061 is a prime.

It is a super-2 number, since 2×550421293069² (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 (550421293061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275210646534 + 275210646535.

It is an arithmetic number, because the mean of its divisors is an integer number (275210646535).

Almost surely, 2^550421293069 is an apocalyptic number.

It is an amenable number.

550421293069 is a deficient number, since it is larger than the sum of its proper divisors (1).

550421293069 is an equidigital number, since it uses as much as digits as its factorization.

550421293069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 550421293069 in words is "five hundred fifty billion, four hundred twenty-one million, two hundred ninety-three thousand, sixty-nine".