7438485865473 has 20 divisors (see below), whose sum is σ = 11966567006548. Its totient is φ = 4577529762720.

The previous prime is 7438485865409. The next prime is 7438485865477. The reversal of 7438485865473 is 3745685848347.

7438485865473 is a `hidden beast` number, since 7 + 4 + 3 + 8 + 48 + 58 + 65 + 473 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2645788521744 + 4792697343729 = 1626588^2 + 2189223^2 .

It is not a de Polignac number, because 7438485865473 - 2⁶ = 7438485865409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7438485865477) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3532043518 + ... + 3532045623.

Almost surely, 2^{7438485865473} is an apocalyptic number.

It is an amenable number.

7438485865473 is a deficient number, since it is larger than the sum of its proper divisors (4528081141075).

7438485865473 is a wasteful number, since it uses less digits than its factorization.

7438485865473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7064089166 (or 7064089157 counting only the distinct ones).

The product of its digits is 2167603200, while the sum is 72.

The spelling of 7438485865473 in words is "seven trillion, four hundred thirty-eight billion, four hundred eighty-five million, eight hundred sixty-five thousand, four hundred seventy-three".