8473424389 has 2 divisors, whose sum is σ = 8473424390. Its totient is φ = 8473424388.

The previous prime is 8473424321. The next prime is 8473424431. The reversal of 8473424389 is 9834243748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4294836225 + 4178588164 = 65535^2 + 64642^2 .

It is a cyclic number.

It is not a de Polignac number, because 8473424389 - 2⁷ = 8473424261 is a prime.

It is a super-2 number, since 2×8473424389² (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 (8473424989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4236712194 + 4236712195.

It is an arithmetic number, because the mean of its divisors is an integer number (4236712195).

Almost surely, 2^8473424389 is an apocalyptic number.

It is an amenable number.

8473424389 is a deficient number, since it is larger than the sum of its proper divisors (1).

8473424389 is an equidigital number, since it uses as much as digits as its factorization.

8473424389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 52.

The square root of 8473424389 is about 92051.2052555533. The cubic root of 8473424389 is about 2038.6984191365.

The spelling of 8473424389 in words is "eight billion, four hundred seventy-three million, four hundred twenty-four thousand, three hundred eighty-nine".