549146209936 has 45 divisors (see below), whose sum is σ = 1069959800091. Its totient is φ = 273036179712.

The previous prime is 549146209891. The next prime is 549146209943. The reversal of 549146209936 is 639902641945.

It is a happy number.

The square root of 549146209936 is 741044.

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 364521307536 + 184624902400 = 603756^2 + 429680^2 .

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 678795900 + ... + 678796708.

Almost surely, 2^549146209936 is an apocalyptic number.

549146209936 is the 741044-th square number.

It is an amenable number.

549146209936 is a deficient number, since it is larger than the sum of its proper divisors (520813590155).

549146209936 is an frugal number, since it uses more digits than its factorization.

549146209936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 58.

The spelling of 549146209936 in words is "five hundred forty-nine billion, one hundred forty-six million, two hundred nine thousand, nine hundred thirty-six".