549634428001 has 2 divisors, whose sum is σ = 549634428002. Its totient is φ = 549634428000.

The previous prime is 549634427987. The next prime is 549634428011. The reversal of 549634428001 is 100824436945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285257469025 + 264376958976 = 534095^2 + 514176^2 .

It is a cyclic number.

It is not a de Polignac number, because 549634428001 - 2³⁷ = 412195474529 is a prime.

It is not a weakly prime, because it can be changed into another prime (549634428011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274817214000 + 274817214001.

It is an arithmetic number, because the mean of its divisors is an integer number (274817214001).

Almost surely, 2^549634428001 is an apocalyptic number.

It is an amenable number.

549634428001 is a deficient number, since it is larger than the sum of its proper divisors (1).

549634428001 is an equidigital number, since it uses as much as digits as its factorization.

549634428001 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 46.

The spelling of 549634428001 in words is "five hundred forty-nine billion, six hundred thirty-four million, four hundred twenty-eight thousand, one".