228409559747 has 2 divisors, whose sum is σ = 228409559748. Its totient is φ = 228409559746.

The previous prime is 228409559743. The next prime is 228409559771. The reversal of 228409559747 is 747955904822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228409559747 - 2² = 228409559743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228409559747.

It is not a weakly prime, because it can be changed into another prime (228409559743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114204779873 + 114204779874.

It is an arithmetic number, because the mean of its divisors is an integer number (114204779874).

Almost surely, 2^228409559747 is an apocalyptic number.

228409559747 is a deficient number, since it is larger than the sum of its proper divisors (1).

228409559747 is an equidigital number, since it uses as much as digits as its factorization.

228409559747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50803200, while the sum is 62.

The spelling of 228409559747 in words is "two hundred twenty-eight billion, four hundred nine million, five hundred fifty-nine thousand, seven hundred forty-seven".