5499948968809 has 9 divisors (see below), whose sum is σ = 5605806252613. Its totient is φ = 5396054396512.

The previous prime is 5499948968803. The next prime is 5499948968849. The reversal of 5499948968809 is 9088698499945.

The square root of 5499948968809 is 2345197.

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 1007363505625 + 4492585463184 = 1003675^2 + 2119572^2 .

It is not a de Polignac number, because 5499948968809 - 2⁵ = 5499948968777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5499948968809.

It is not an unprimeable number, because it can be changed into a prime (5499948968803) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 124273317 + ... + 124317565.

Almost surely, 2^{5499948968809} is an apocalyptic number.

5499948968809 is the 2345197-th square number.

5499948968809 is the 1172599-th centered octagonal number.

It is an amenable number.

5499948968809 is a deficient number, since it is larger than the sum of its proper divisors (105857283804).

5499948968809 is an frugal number, since it uses more digits than its factorization.

5499948968809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88604 (or 44302 counting only the distinct ones).

The product of its (nonzero) digits is 14511882240, while the sum is 88.

The spelling of 5499948968809 in words is "five trillion, four hundred ninety-nine billion, nine hundred forty-eight million, nine hundred sixty-eight thousand, eight hundred nine".