243024224497 has 2 divisors, whose sum is σ = 243024224498. Its totient is φ = 243024224496.

The previous prime is 243024224453. The next prime is 243024224609. The reversal of 243024224497 is 794422420342.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208731110641 + 34293113856 = 456871^2 + 185184^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243024224497 is a prime.

It is not a weakly prime, because it can be changed into another prime (243024224437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121512112248 + 121512112249.

It is an arithmetic number, because the mean of its divisors is an integer number (121512112249).

Almost surely, 2^243024224497 is an apocalyptic number.

It is an amenable number.

243024224497 is a deficient number, since it is larger than the sum of its proper divisors (1).

243024224497 is an equidigital number, since it uses as much as digits as its factorization.

243024224497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 243024224497 in words is "two hundred forty-three billion, twenty-four million, two hundred twenty-four thousand, four hundred ninety-seven".