229898619499 has 2 divisors, whose sum is σ = 229898619500. Its totient is φ = 229898619498.

The previous prime is 229898619449. The next prime is 229898619521. The reversal of 229898619499 is 994916898922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229898619499 - 2¹¹ = 229898617451 is a prime.

It is a super-2 number, since 2×229898619499² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (229898619449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114949309749 + 114949309750.

It is an arithmetic number, because the mean of its divisors is an integer number (114949309750).

Almost surely, 2^229898619499 is an apocalyptic number.

229898619499 is a deficient number, since it is larger than the sum of its proper divisors (1).

229898619499 is an equidigital number, since it uses as much as digits as its factorization.

229898619499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362797056, while the sum is 76.

The spelling of 229898619499 in words is "two hundred twenty-nine billion, eight hundred ninety-eight million, six hundred nineteen thousand, four hundred ninety-nine".