549634428017 has 32 divisors (see below), whose sum is σ = 582597273600. Its totient is φ = 517923806400.

The previous prime is 549634428011. The next prime is 549634428041. The reversal of 549634428017 is 710824436945.

It is not a de Polignac number, because 549634428017 - 2⁴ = 549634428001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 549634428017.

It is not an unprimeable number, because it can be changed into a prime (549634428011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84673142 + ... + 84679632.

It is an arithmetic number, because the mean of its divisors is an integer number (18206164800).

It is a 1-persistent number, because it is pandigital, but 2⋅549634428017 = 1099268856034 is not.

Almost surely, 2^549634428017 is an apocalyptic number.

It is an amenable number.

549634428017 is a deficient number, since it is larger than the sum of its proper divisors (32962845583).

549634428017 is a wasteful number, since it uses less digits than its factorization.

549634428017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 549634428017 in words is "five hundred forty-nine billion, six hundred thirty-four million, four hundred twenty-eight thousand, seventeen".