43473018859 has 2 divisors, whose sum is σ = 43473018860. Its totient is φ = 43473018858.

The previous prime is 43473018847. The next prime is 43473018889. The reversal of 43473018859 is 95881037434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43473018859 - 2⁷ = 43473018731 is a prime.

It is not a weakly prime, because it can be changed into another prime (43473018889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21736509429 + 21736509430.

It is an arithmetic number, because the mean of its divisors is an integer number (21736509430).

Almost surely, 2^43473018859 is an apocalyptic number.

43473018859 is a deficient number, since it is larger than the sum of its proper divisors (1).

43473018859 is an equidigital number, since it uses as much as digits as its factorization.

43473018859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 43473018859 in words is "forty-three billion, four hundred seventy-three million, eighteen thousand, eight hundred fifty-nine".