5209359556 has 6 divisors (see below), whose sum is σ = 9116379230. Its totient is φ = 2604679776.

The previous prime is 5209359553. The next prime is 5209359577. The reversal of 5209359556 is 6559539025.

It can be written as a sum of positive squares in only one way, i.e., 4053359556 + 1156000000 = 63666^2 + 34000^2 .

It is not an unprimeable number, because it can be changed into a prime (5209359553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651169941 + ... + 651169948.

Almost surely, 2^5209359556 is an apocalyptic number.

It is an amenable number.

5209359556 is a deficient number, since it is larger than the sum of its proper divisors (3907019674).

5209359556 is a wasteful number, since it uses less digits than its factorization.

5209359556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302339893 (or 1302339891 counting only the distinct ones).

The product of its (nonzero) digits is 1822500, while the sum is 49.

The square root of 5209359556 is about 72175.8931777086. The cubic root of 5209359556 is about 1733.5170252891.

The spelling of 5209359556 in words is "five billion, two hundred nine million, three hundred fifty-nine thousand, five hundred fifty-six".