7148873189 has 2 divisors, whose sum is σ = 7148873190. Its totient is φ = 7148873188.

The previous prime is 7148873159. The next prime is 7148873243. The reversal of 7148873189 is 9813788417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5478516289 + 1670356900 = 74017^2 + 40870^2 .

It is a cyclic number.

It is not a de Polignac number, because 7148873189 - 2¹² = 7148869093 is a prime.

It is a super-2 number, since 2×7148873189² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7148873129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3574436594 + 3574436595.

It is an arithmetic number, because the mean of its divisors is an integer number (3574436595).

Almost surely, 2^7148873189 is an apocalyptic number.

It is an amenable number.

7148873189 is a deficient number, since it is larger than the sum of its proper divisors (1).

7148873189 is an equidigital number, since it uses as much as digits as its factorization.

7148873189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 56.

The square root of 7148873189 is about 84551.0093907814. The cubic root of 7148873189 is about 1926.3973158494.

The spelling of 7148873189 in words is "seven billion, one hundred forty-eight million, eight hundred seventy-three thousand, one hundred eighty-nine".