228365269939 has 2 divisors, whose sum is σ = 228365269940. Its totient is φ = 228365269938.

The previous prime is 228365269903. The next prime is 228365269981. The reversal of 228365269939 is 939962563822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228365269939 - 2¹¹ = 228365267891 is a prime.

It is not a weakly prime, because it can be changed into another prime (228365269999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114182634969 + 114182634970.

It is an arithmetic number, because the mean of its divisors is an integer number (114182634970).

Almost surely, 2^228365269939 is an apocalyptic number.

228365269939 is a deficient number, since it is larger than the sum of its proper divisors (1).

228365269939 is an equidigital number, since it uses as much as digits as its factorization.

228365269939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75582720, while the sum is 64.

The spelling of 228365269939 in words is "two hundred twenty-eight billion, three hundred sixty-five million, two hundred sixty-nine thousand, nine hundred thirty-nine".