4494486389 has 2 divisors, whose sum is σ = 4494486390. Its totient is φ = 4494486388.

The previous prime is 4494486319. The next prime is 4494486397. The reversal of 4494486389 is 9836844944.

4494486389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2346627364 + 2147859025 = 48442^2 + 46345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4494486389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4494486319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2247243194 + 2247243195.

It is an arithmetic number, because the mean of its divisors is an integer number (2247243195).

Almost surely, 2^4494486389 is an apocalyptic number.

It is an amenable number.

4494486389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4494486389 is an equidigital number, since it uses as much as digits as its factorization.

4494486389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23887872, while the sum is 59.

The square root of 4494486389 is about 67040.9306990886. The cubic root of 4494486389 is about 1650.2890695253.

The spelling of 4494486389 in words is "four billion, four hundred ninety-four million, four hundred eighty-six thousand, three hundred eighty-nine".