43552340659 has 2 divisors, whose sum is σ = 43552340660. Its totient is φ = 43552340658.

The previous prime is 43552340641. The next prime is 43552340701. The reversal of 43552340659 is 95604325534.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43552340659 - 2¹¹ = 43552338611 is a prime.

It is not a weakly prime, because it can be changed into another prime (43552340639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21776170329 + 21776170330.

It is an arithmetic number, because the mean of its divisors is an integer number (21776170330).

Almost surely, 2^43552340659 is an apocalyptic number.

43552340659 is a deficient number, since it is larger than the sum of its proper divisors (1).

43552340659 is an equidigital number, since it uses as much as digits as its factorization.

43552340659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 43552340659 in words is "forty-three billion, five hundred fifty-two million, three hundred forty thousand, six hundred fifty-nine".