228903579049 has 2 divisors, whose sum is σ = 228903579050. Its totient is φ = 228903579048.

The previous prime is 228903579011. The next prime is 228903579083. The reversal of 228903579049 is 940975309822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128647755625 + 100255823424 = 358675^2 + 316632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228903579049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228903578984 and 228903579002.

It is not a weakly prime, because it can be changed into another prime (228903579349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114451789524 + 114451789525.

It is an arithmetic number, because the mean of its divisors is an integer number (114451789525).

Almost surely, 2^228903579049 is an apocalyptic number.

It is an amenable number.

228903579049 is a deficient number, since it is larger than the sum of its proper divisors (1).

228903579049 is an equidigital number, since it uses as much as digits as its factorization.

228903579049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 228903579049 in words is "two hundred twenty-eight billion, nine hundred three million, five hundred seventy-nine thousand, forty-nine".