43450645241 has 2 divisors, whose sum is σ = 43450645242. Its totient is φ = 43450645240.

The previous prime is 43450645237. The next prime is 43450645331. The reversal of 43450645241 is 14254605434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37647252841 + 5803392400 = 194029^2 + 76180^2 .

It is a cyclic number.

It is not a de Polignac number, because 43450645241 - 2² = 43450645237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43450645195 and 43450645204.

It is not a weakly prime, because it can be changed into another prime (43450645541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21725322620 + 21725322621.

It is an arithmetic number, because the mean of its divisors is an integer number (21725322621).

Almost surely, 2^43450645241 is an apocalyptic number.

It is an amenable number.

43450645241 is a deficient number, since it is larger than the sum of its proper divisors (1).

43450645241 is an equidigital number, since it uses as much as digits as its factorization.

43450645241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 43450645241 in words is "forty-three billion, four hundred fifty million, six hundred forty-five thousand, two hundred forty-one".