5499221981764 has 45 divisors (see below), whose sum is σ = 11227379378397. Its totient is φ = 2356710928992.

The previous prime is 5499221981719. The next prime is 5499221981789. The reversal of 5499221981764 is 4671891229945.

The square root of 5499221981764 is 2345042.

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

It can be written as a sum of positive squares in only one way, i.e., 3795257252164 + 1703964729600 = 1948142^2 + 1305360^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5499221981764.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 229802152 + ... + 229826080.

Almost surely, 2^{5499221981764} is an apocalyptic number.

5499221981764 is the 2345042-nd square number.

It is an amenable number.

5499221981764 is an abundant number, since it is smaller than the sum of its proper divisors (5728157396633).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5499221981764 is an frugal number, since it uses more digits than its factorization.

5499221981764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47890 (or 23938 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 67.

The spelling of 5499221981764 in words is "five trillion, four hundred ninety-nine billion, two hundred twenty-one million, nine hundred eighty-one thousand, seven hundred sixty-four".