8459738389 has 2 divisors, whose sum is σ = 8459738390. Its totient is φ = 8459738388.

The previous prime is 8459738383. The next prime is 8459738431. The reversal of 8459738389 is 9838379548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6491041489 + 1968696900 = 80567^2 + 44370^2 .

It is a cyclic number.

It is not a de Polignac number, because 8459738389 - 2²⁵ = 8426183957 is a prime.

It is a super-2 number, since 2×8459738389² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8459738389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8459738383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4229869194 + 4229869195.

It is an arithmetic number, because the mean of its divisors is an integer number (4229869195).

Almost surely, 2^8459738389 is an apocalyptic number.

It is an amenable number.

8459738389 is a deficient number, since it is larger than the sum of its proper divisors (1).

8459738389 is an equidigital number, since it uses as much as digits as its factorization.

8459738389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52254720, while the sum is 64.

The square root of 8459738389 is about 91976.8361545449. The cubic root of 8459738389 is about 2037.6002144945.

The spelling of 8459738389 in words is "eight billion, four hundred fifty-nine million, seven hundred thirty-eight thousand, three hundred eighty-nine".