225743161747 has 2 divisors, whose sum is σ = 225743161748. Its totient is φ = 225743161746.

The previous prime is 225743161733. The next prime is 225743161751. The reversal of 225743161747 is 747161347522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225743161747 - 2¹⁹ = 225742637459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225743161747.

It is not a weakly prime, because it can be changed into another prime (225743161717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112871580873 + 112871580874.

It is an arithmetic number, because the mean of its divisors is an integer number (112871580874).

Almost surely, 2^225743161747 is an apocalyptic number.

225743161747 is a deficient number, since it is larger than the sum of its proper divisors (1).

225743161747 is an equidigital number, since it uses as much as digits as its factorization.

225743161747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1975680, while the sum is 49.

The spelling of 225743161747 in words is "two hundred twenty-five billion, seven hundred forty-three million, one hundred sixty-one thousand, seven hundred forty-seven".