228459936499 has 2 divisors, whose sum is σ = 228459936500. Its totient is φ = 228459936498.

The previous prime is 228459936407. The next prime is 228459936541. The reversal of 228459936499 is 994639954822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228459936499 - 2¹⁹ = 228459412211 is a prime.

It is a super-2 number, since 2×228459936499² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (228459930499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114229968249 + 114229968250.

It is an arithmetic number, because the mean of its divisors is an integer number (114229968250).

Almost surely, 2^228459936499 is an apocalyptic number.

228459936499 is a deficient number, since it is larger than the sum of its proper divisors (1).

228459936499 is an equidigital number, since it uses as much as digits as its factorization.

228459936499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302330880, while the sum is 70.

The spelling of 228459936499 in words is "two hundred twenty-eight billion, four hundred fifty-nine million, nine hundred thirty-six thousand, four hundred ninety-nine".