549498894946 has 24 divisors (see below), whose sum is σ = 861900037740. Its totient is φ = 262725530496.

The previous prime is 549498894913. The next prime is 549498894983. The reversal of 549498894946 is 649498894945.

It can be written as a sum of positive squares in 2 ways, for example, as 544917094225 + 4581800721 = 738185^2 + 67689^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3556470 + ... + 3707758.

Almost surely, 2^549498894946 is an apocalyptic number.

549498894946 is a deficient number, since it is larger than the sum of its proper divisors (312401142794).

549498894946 is a wasteful number, since it uses less digits than its factorization.

549498894946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154770 (or 154747 counting only the distinct ones).

The product of its digits is 3224862720, while the sum is 79.

Subtracting 549498894946 from its reverse (649498894945), we obtain a palindrome (99999999999).

The spelling of 549498894946 in words is "five hundred forty-nine billion, four hundred ninety-eight million, eight hundred ninety-four thousand, nine hundred forty-six".