225909876943 has 2 divisors, whose sum is σ = 225909876944. Its totient is φ = 225909876942.

The previous prime is 225909876901. The next prime is 225909876971. The reversal of 225909876943 is 349678909522.

225909876943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225909876943 - 2²⁹ = 225373006031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225909876043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112954938471 + 112954938472.

It is an arithmetic number, because the mean of its divisors is an integer number (112954938472).

Almost surely, 2^225909876943 is an apocalyptic number.

225909876943 is a deficient number, since it is larger than the sum of its proper divisors (1).

225909876943 is an equidigital number, since it uses as much as digits as its factorization.

225909876943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58786560, while the sum is 64.

It can be divided in two parts, 2259098 and 76943, that added together give a triangular number (2336041 = T₂₁₆₁).

The spelling of 225909876943 in words is "two hundred twenty-five billion, nine hundred nine million, eight hundred seventy-six thousand, nine hundred forty-three".