42231089473 has 2 divisors, whose sum is σ = 42231089474. Its totient is φ = 42231089472.

The previous prime is 42231089471. The next prime is 42231089491. The reversal of 42231089473 is 37498013224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21511502224 + 20719587249 = 146668^2 + 143943^2 .

It is a cyclic number.

It is not a de Polignac number, because 42231089473 - 2¹ = 42231089471 is a prime.

Together with 42231089471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42231089471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21115544736 + 21115544737.

It is an arithmetic number, because the mean of its divisors is an integer number (21115544737).

Almost surely, 2^42231089473 is an apocalyptic number.

It is an amenable number.

42231089473 is a deficient number, since it is larger than the sum of its proper divisors (1).

42231089473 is an equidigital number, since it uses as much as digits as its factorization.

42231089473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 42231089473 in words is "forty-two billion, two hundred thirty-one million, eighty-nine thousand, four hundred seventy-three".