5228989991 has 4 divisors (see below), whose sum is σ = 5317617000. Its totient is φ = 5140362984.

The previous prime is 5228989963. The next prime is 5228990027. The reversal of 5228989991 is 1999898225.

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

It is a cyclic number.

It is not a de Polignac number, because 5228989991 - 2²² = 5224795687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5228989921) 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, 44313416 + ... + 44313533.

It is an arithmetic number, because the mean of its divisors is an integer number (1329404250).

Almost surely, 2^5228989991 is an apocalyptic number.

5228989991 is a deficient number, since it is larger than the sum of its proper divisors (88627009).

5228989991 is an equidigital number, since it uses as much as digits as its factorization.

5228989991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88627008.

The product of its digits is 8398080, while the sum is 62.

The square root of 5228989991 is about 72311.7555519156. The cubic root of 5228989991 is about 1735.6917672110.

The spelling of 5228989991 in words is "five billion, two hundred twenty-eight million, nine hundred eighty-nine thousand, nine hundred ninety-one".