43622518080473 has 2 divisors, whose sum is σ = 43622518080474. Its totient is φ = 43622518080472.

The previous prime is 43622518080451. The next prime is 43622518080601. The reversal of 43622518080473 is 37408081522634.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22564808559049 + 21057709521424 = 4750243^2 + 4588868^2 .

It is a cyclic number.

It is not a de Polignac number, because 43622518080473 - 2²² = 43622513886169 is a prime.

It is not a weakly prime, because it can be changed into another prime (43622518080433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21811259040236 + 21811259040237.

It is an arithmetic number, because the mean of its divisors is an integer number (21811259040237).

Almost surely, 2^{43622518080473} is an apocalyptic number.

It is an amenable number.

43622518080473 is a deficient number, since it is larger than the sum of its proper divisors (1).

43622518080473 is an equidigital number, since it uses as much as digits as its factorization.

43622518080473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 43622518080473 in words is "forty-three trillion, six hundred twenty-two billion, five hundred eighteen million, eighty thousand, four hundred seventy-three".