43260358409 has 2 divisors, whose sum is σ = 43260358410. Its totient is φ = 43260358408.

The previous prime is 43260358387. The next prime is 43260358459. The reversal of 43260358409 is 90485306234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24649942009 + 18610416400 = 157003^2 + 136420^2 .

It is a cyclic number.

It is not a de Polignac number, because 43260358409 - 2²⁰ = 43259309833 is a prime.

It is a super-2 number, since 2×43260358409² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43260358409.

It is not a weakly prime, because it can be changed into another prime (43260358459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21630179204 + 21630179205.

It is an arithmetic number, because the mean of its divisors is an integer number (21630179205).

Almost surely, 2^43260358409 is an apocalyptic number.

It is an amenable number.

43260358409 is a deficient number, since it is larger than the sum of its proper divisors (1).

43260358409 is an equidigital number, since it uses as much as digits as its factorization.

43260358409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 43260358409 in words is "forty-three billion, two hundred sixty million, three hundred fifty-eight thousand, four hundred nine".