5798189721 has 4 divisors (see below), whose sum is σ = 7730919632. Its totient is φ = 3865459812.

The previous prime is 5798189717. The next prime is 5798189729. The reversal of 5798189721 is 1279818975.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5798189721 - 2² = 5798189717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5798189729) 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 3 ways as a sum of consecutive naturals, for example, 966364951 + ... + 966364956.

It is an arithmetic number, because the mean of its divisors is an integer number (1932729908).

Almost surely, 2^5798189721 is an apocalyptic number.

It is an amenable number.

5798189721 is a deficient number, since it is larger than the sum of its proper divisors (1932729911).

5798189721 is a wasteful number, since it uses less digits than its factorization.

5798189721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932729910.

The product of its digits is 2540160, while the sum is 57.

The square root of 5798189721 is about 76145.8450672130. The cubic root of 5798189721 is about 1796.5148325943.

The spelling of 5798189721 in words is "five billion, seven hundred ninety-eight million, one hundred eighty-nine thousand, seven hundred twenty-one".