549152684076049 has 27 divisors (see below), whose sum is σ = 590867552262897. Its totient is φ = 510277939561728.

The previous prime is 549152684076037. The next prime is 549152684076089. The reversal of 549152684076049 is 940670486251945.

The square root of 549152684076049 is 23434007.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 391389839780625 + 157762844295424 = 19783575^2 + 12560368^2 .

It is a de Polignac number, because none of the positive numbers 2^k-549152684076049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549152684076089) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31471862677 + ... + 31471880125.

Almost surely, 2^{549152684076049} is an apocalyptic number.

549152684076049 is the 23434007-th square number.

549152684076049 is the 11717004-th centered octagonal number.

It is an amenable number.

549152684076049 is a deficient number, since it is larger than the sum of its proper divisors (41714868186848).

549152684076049 is an frugal number, since it uses more digits than its factorization.

549152684076049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35090 (or 17545 counting only the distinct ones).

The product of its (nonzero) digits is 522547200, while the sum is 70.

The spelling of 549152684076049 in words is "five hundred forty-nine trillion, one hundred fifty-two billion, six hundred eighty-four million, seventy-six thousand, forty-nine".