7181037089 has 2 divisors, whose sum is σ = 7181037090. Its totient is φ = 7181037088.

The previous prime is 7181037047. The next prime is 7181037091. The reversal of 7181037089 is 9807301817.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4033266064 + 3147771025 = 63508^2 + 56105^2 .

It is a cyclic number.

It is not a de Polignac number, because 7181037089 - 2²⁰ = 7179988513 is a prime.

Together with 7181037091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7181037889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3590518544 + 3590518545.

It is an arithmetic number, because the mean of its divisors is an integer number (3590518545).

Almost surely, 2^7181037089 is an apocalyptic number.

It is an amenable number.

7181037089 is a deficient number, since it is larger than the sum of its proper divisors (1).

7181037089 is an equidigital number, since it uses as much as digits as its factorization.

7181037089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 44.

The square root of 7181037089 is about 84741.0000472027. Note that the first 4 decimals coincide. The cubic root of 7181037089 is about 1929.2820482776.

The spelling of 7181037089 in words is "seven billion, one hundred eighty-one million, thirty-seven thousand, eighty-nine".