225636438343699 has 2 divisors, whose sum is σ = 225636438343700. Its totient is φ = 225636438343698.

The previous prime is 225636438343663. The next prime is 225636438343741. The reversal of 225636438343699 is 996343834636522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225636438343699 - 2⁴³ = 216840345321491 is a prime.

It is a super-3 number, since 3×225636438343699³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (225636438343999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112818219171849 + 112818219171850.

It is an arithmetic number, because the mean of its divisors is an integer number (112818219171850).

Almost surely, 2^{225636438343699} is an apocalyptic number.

225636438343699 is a deficient number, since it is larger than the sum of its proper divisors (1).

225636438343699 is an equidigital number, since it uses as much as digits as its factorization.

225636438343699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3627970560, while the sum is 73.

The spelling of 225636438343699 in words is "two hundred twenty-five trillion, six hundred thirty-six billion, four hundred thirty-eight million, three hundred forty-three thousand, six hundred ninety-nine".