5617721930 has 16 divisors (see below), whose sum is σ = 10116796104. Its totient is φ = 2246000640.

The previous prime is 5617721929. The next prime is 5617721939. The reversal of 5617721930 is 391277165.

It can be written as a sum of positive squares in 4 ways, for example, as 4513555489 + 1104166441 = 67183^2 + 33229^2 .

It is not an unprimeable number, because it can be changed into a prime (5617721939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114167 + ... + 155786.

Almost surely, 2^5617721930 is an apocalyptic number.

5617721930 is a deficient number, since it is larger than the sum of its proper divisors (4499074174).

5617721930 is a wasteful number, since it uses less digits than its factorization.

5617721930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272041.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 5617721930 is about 74951.4638282669. The cubic root of 5617721930 is about 1777.6792895338.

The spelling of 5617721930 in words is "five billion, six hundred seventeen million, seven hundred twenty-one thousand, nine hundred thirty".