228593985539 has 2 divisors, whose sum is σ = 228593985540. Its totient is φ = 228593985538.

The previous prime is 228593985497. The next prime is 228593985589. The reversal of 228593985539 is 935589395822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228593985539 - 2¹² = 228593981443 is a prime.

It is a super-2 number, since 2×228593985539² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (228593985589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114296992769 + 114296992770.

It is an arithmetic number, because the mean of its divisors is an integer number (114296992770).

Almost surely, 2^228593985539 is an apocalyptic number.

228593985539 is a deficient number, since it is larger than the sum of its proper divisors (1).

228593985539 is an equidigital number, since it uses as much as digits as its factorization.

228593985539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952000, while the sum is 68.

The spelling of 228593985539 in words is "two hundred twenty-eight billion, five hundred ninety-three million, nine hundred eighty-five thousand, five hundred thirty-nine".