4345430989 has 2 divisors, whose sum is σ = 4345430990. Its totient is φ = 4345430988.

The previous prime is 4345430981. The next prime is 4345431037. The reversal of 4345430989 is 9890345434.

4345430989 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4074268900 + 271162089 = 63830^2 + 16467^2 .

It is a cyclic number.

It is not a de Polignac number, because 4345430989 - 2³ = 4345430981 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4345430981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2172715494 + 2172715495.

It is an arithmetic number, because the mean of its divisors is an integer number (2172715495).

Almost surely, 2^4345430989 is an apocalyptic number.

It is an amenable number.

4345430989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4345430989 is an equidigital number, since it uses as much as digits as its factorization.

4345430989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The square root of 4345430989 is about 65919.8831082095. The cubic root of 4345430989 is about 1631.8401676350.

The spelling of 4345430989 in words is "four billion, three hundred forty-five million, four hundred thirty thousand, nine hundred eighty-nine".