549634428011 has 2 divisors, whose sum is σ = 549634428012. Its totient is φ = 549634428010.

The previous prime is 549634428001. The next prime is 549634428041. The reversal of 549634428011 is 110824436945.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-549634428011 is a prime.

It is a super-2 number, since 2×549634428011² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (549634428001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274817214005 + 274817214006.

It is an arithmetic number, because the mean of its divisors is an integer number (274817214006).

Almost surely, 2^549634428011 is an apocalyptic number.

549634428011 is a deficient number, since it is larger than the sum of its proper divisors (1).

549634428011 is an equidigital number, since it uses as much as digits as its factorization.

549634428011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 549634428011 in words is "five hundred forty-nine billion, six hundred thirty-four million, four hundred twenty-eight thousand, eleven".