549202316546 has 16 divisors (see below), whose sum is σ = 891676397304. Its totient is φ = 252191299584.

The previous prime is 549202316519. The next prime is 549202316549. The reversal of 549202316546 is 645613202945.

It can be written as a sum of positive squares in 4 ways, for example, as 545537346025 + 3664970521 = 738605^2 + 60539^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 549202316546.

It is not an unprimeable number, because it can be changed into a prime (549202316549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53606975 + ... + 53617218.

Almost surely, 2^549202316546 is an apocalyptic number.

549202316546 is a deficient number, since it is larger than the sum of its proper divisors (342474080758).

549202316546 is a wasteful number, since it uses less digits than its factorization.

549202316546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107224405.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 549202316546 in words is "five hundred forty-nine billion, two hundred two million, three hundred sixteen thousand, five hundred forty-six".