4390321073 has 2 divisors, whose sum is σ = 4390321074. Its totient is φ = 4390321072.

The previous prime is 4390321063. The next prime is 4390321093. The reversal of 4390321073 is 3701230934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4352964529 + 37356544 = 65977^2 + 6112^2 .

It is a cyclic number.

It is not a de Polignac number, because 4390321073 - 2⁴ = 4390321057 is a prime.

It is not a weakly prime, because it can be changed into another prime (4390321003) 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, 2195160536 + 2195160537.

It is an arithmetic number, because the mean of its divisors is an integer number (2195160537).

Almost surely, 2^4390321073 is an apocalyptic number.

It is an amenable number.

4390321073 is a deficient number, since it is larger than the sum of its proper divisors (1).

4390321073 is an equidigital number, since it uses as much as digits as its factorization.

4390321073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 4390321073 is about 66259.4979833080. The cubic root of 4390321073 is about 1637.4401210977.

The spelling of 4390321073 in words is "four billion, three hundred ninety million, three hundred twenty-one thousand, seventy-three".