42288521473 has 12 divisors (see below), whose sum is σ = 47616147684. Its totient is φ = 37506444800.

The previous prime is 42288521449. The next prime is 42288521477. The reversal of 42288521473 is 37412588224.

It can be written as a sum of positive squares in 2 ways, for example, as 1001532609 + 41286988864 = 31647^2 + 203192^2 .

It is not a de Polignac number, because 42288521473 - 2¹⁷ = 42288390401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42288521477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4257136 + ... + 4267057.

It is an arithmetic number, because the mean of its divisors is an integer number (3968012307).

Almost surely, 2^42288521473 is an apocalyptic number.

It is an amenable number.

42288521473 is a deficient number, since it is larger than the sum of its proper divisors (5327626211).

42288521473 is a wasteful number, since it uses less digits than its factorization.

42288521473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8524256 (or 8524245 counting only the distinct ones).

The product of its digits is 860160, while the sum is 46.

The spelling of 42288521473 in words is "forty-two billion, two hundred eighty-eight million, five hundred twenty-one thousand, four hundred seventy-three".