43264282420309 has 2 divisors, whose sum is σ = 43264282420310. Its totient is φ = 43264282420308.

The previous prime is 43264282420279. The next prime is 43264282420363. The reversal of 43264282420309 is 90302428246234.

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., 37778601744900 + 5485680675409 = 6146430^2 + 2342153^2 .

It is a cyclic number.

It is not a de Polignac number, because 43264282420309 - 2²¹ = 43264280323157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43264282420369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21632141210154 + 21632141210155.

It is an arithmetic number, because the mean of its divisors is an integer number (21632141210155).

Almost surely, 2^{43264282420309} is an apocalyptic number.

It is an amenable number.

43264282420309 is a deficient number, since it is larger than the sum of its proper divisors (1).

43264282420309 is an equidigital number, since it uses as much as digits as its factorization.

43264282420309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3981312, while the sum is 49.

The spelling of 43264282420309 in words is "forty-three trillion, two hundred sixty-four billion, two hundred eighty-two million, four hundred twenty thousand, three hundred nine".