549935980469 has 2 divisors, whose sum is σ = 549935980470. Its totient is φ = 549935980468.

The previous prime is 549935980379. The next prime is 549935980501. The reversal of 549935980469 is 964089539945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543685022500 + 6250957969 = 737350^2 + 79063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-549935980469 is a prime.

It is a super-2 number, since 2×549935980469² (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 (549935880469) 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, 274967990234 + 274967990235.

It is an arithmetic number, because the mean of its divisors is an integer number (274967990235).

Almost surely, 2^549935980469 is an apocalyptic number.

It is an amenable number.

549935980469 is a deficient number, since it is larger than the sum of its proper divisors (1).

549935980469 is an equidigital number, since it uses as much as digits as its factorization.

549935980469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 377913600, while the sum is 71.

The spelling of 549935980469 in words is "five hundred forty-nine billion, nine hundred thirty-five million, nine hundred eighty thousand, four hundred sixty-nine".