7181148473 has 2 divisors, whose sum is σ = 7181148474. Its totient is φ = 7181148472.

The previous prime is 7181148467. The next prime is 7181148509. The reversal of 7181148473 is 3748411817.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6722032144 + 459116329 = 81988^2 + 21427^2 .

It is a cyclic number.

It is not a de Polignac number, because 7181148473 - 2⁸ = 7181148217 is a prime.

It is a super-3 number, since 3×7181148473³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (7181148433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3590574236 + 3590574237.

It is an arithmetic number, because the mean of its divisors is an integer number (3590574237).

Almost surely, 2^7181148473 is an apocalyptic number.

It is an amenable number.

7181148473 is a deficient number, since it is larger than the sum of its proper divisors (1).

7181148473 is an equidigital number, since it uses as much as digits as its factorization.

7181148473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150528, while the sum is 44.

The square root of 7181148473 is about 84741.6572471886. The cubic root of 7181148473 is about 1929.2920231618.

The spelling of 7181148473 in words is "seven billion, one hundred eighty-one million, one hundred forty-eight thousand, four hundred seventy-three".