5499623309 has 4 divisors (see below), whose sum is σ = 5515943004. Its totient is φ = 5483303616.

The previous prime is 5499623291. The next prime is 5499623333. The reversal of 5499623309 is 9033269945.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 740003209 + 4759620100 = 27203^2 + 68990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5499623309 is a prime.

It is a super-2 number, since 2×5499623309² = 60491713081792218962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5499623209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8159342 + ... + 8160015.

It is an arithmetic number, because the mean of its divisors is an integer number (1378985751).

Almost surely, 2^5499623309 is an apocalyptic number.

It is an amenable number.

5499623309 is a deficient number, since it is larger than the sum of its proper divisors (16319695).

5499623309 is a wasteful number, since it uses less digits than its factorization.

5499623309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16319694.

The product of its (nonzero) digits is 1574640, while the sum is 50.

The square root of 5499623309 is about 74159.4451772665. The cubic root of 5499623309 is about 1765.1338682447.

The spelling of 5499623309 in words is "five billion, four hundred ninety-nine million, six hundred twenty-three thousand, three hundred nine".