43458606481643 has 2 divisors, whose sum is σ = 43458606481644. Its totient is φ = 43458606481642.

The previous prime is 43458606481637. The next prime is 43458606481681. The reversal of 43458606481643 is 34618460685434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43458606481643 - 2¹² = 43458606477547 is a prime.

It is not a weakly prime, because it can be changed into another prime (43458606451643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21729303240821 + 21729303240822.

It is an arithmetic number, because the mean of its divisors is an integer number (21729303240822).

Almost surely, 2^{43458606481643} is an apocalyptic number.

43458606481643 is a deficient number, since it is larger than the sum of its proper divisors (1).

43458606481643 is an equidigital number, since it uses as much as digits as its factorization.

43458606481643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 159252480, while the sum is 62.

The spelling of 43458606481643 in words is "forty-three trillion, four hundred fifty-eight billion, six hundred six million, four hundred eighty-one thousand, six hundred forty-three".