549561411635 has 16 divisors (see below), whose sum is σ = 683352215040. Its totient is φ = 423988961760.

The previous prime is 549561411557. The next prime is 549561411653. The reversal of 549561411635 is 536114165945.

It is not a de Polignac number, because 549561411635 - 2¹² = 549561407539 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 16160861 + ... + 16194830.

It is an arithmetic number, because the mean of its divisors is an integer number (42709513440).

Almost surely, 2^549561411635 is an apocalyptic number.

549561411635 is a deficient number, since it is larger than the sum of its proper divisors (133790803405).

549561411635 is a wasteful number, since it uses less digits than its factorization.

549561411635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32355818.

The product of its digits is 1944000, while the sum is 50.

The spelling of 549561411635 in words is "five hundred forty-nine billion, five hundred sixty-one million, four hundred eleven thousand, six hundred thirty-five".