228427143613 has 2 divisors, whose sum is σ = 228427143614. Its totient is φ = 228427143612.

The previous prime is 228427143601. The next prime is 228427143667. The reversal of 228427143613 is 316341724822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222894461689 + 5532681924 = 472117^2 + 74382^2 .

It is a cyclic number.

It is not a de Polignac number, because 228427143613 - 2⁹ = 228427143101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228427143613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228427143683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114213571806 + 114213571807.

It is an arithmetic number, because the mean of its divisors is an integer number (114213571807).

Almost surely, 2^228427143613 is an apocalyptic number.

It is an amenable number.

228427143613 is a deficient number, since it is larger than the sum of its proper divisors (1).

228427143613 is an equidigital number, since it uses as much as digits as its factorization.

228427143613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 43.

The spelling of 228427143613 in words is "two hundred twenty-eight billion, four hundred twenty-seven million, one hundred forty-three thousand, six hundred thirteen".