4385654489 has 2 divisors, whose sum is σ = 4385654490. Its totient is φ = 4385654488.

The previous prime is 4385654473. The next prime is 4385654521. The reversal of 4385654489 is 9844565834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4377145600 + 8508889 = 66160^2 + 2917^2 .

It is a cyclic number.

It is not a de Polignac number, because 4385654489 - 2⁴ = 4385654473 is a prime.

It is a super-2 number, since 2×4385654489² = 38467930593771702242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4385654389) 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, 2192827244 + 2192827245.

It is an arithmetic number, because the mean of its divisors is an integer number (2192827245).

Almost surely, 2^4385654489 is an apocalyptic number.

It is an amenable number.

4385654489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4385654489 is an equidigital number, since it uses as much as digits as its factorization.

4385654489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16588800, while the sum is 56.

The square root of 4385654489 is about 66224.2741674078. The cubic root of 4385654489 is about 1636.8597564954.

The spelling of 4385654489 in words is "four billion, three hundred eighty-five million, six hundred fifty-four thousand, four hundred eighty-nine".