4454469689 has 2 divisors, whose sum is σ = 4454469690. Its totient is φ = 4454469688.

The previous prime is 4454469683. The next prime is 4454469713. The reversal of 4454469689 is 9869644544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4276113664 + 178356025 = 65392^2 + 13355^2 .

It is a cyclic number.

It is not a de Polignac number, because 4454469689 - 2⁸ = 4454469433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4454469683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227234844 + 2227234845.

It is an arithmetic number, because the mean of its divisors is an integer number (2227234845).

Almost surely, 2^4454469689 is an apocalyptic number.

It is an amenable number.

4454469689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4454469689 is an equidigital number, since it uses as much as digits as its factorization.

4454469689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29859840, while the sum is 59.

The square root of 4454469689 is about 66741.8136478175. The cubic root of 4454469689 is about 1645.3766735038.

The spelling of 4454469689 in words is "four billion, four hundred fifty-four million, four hundred sixty-nine thousand, six hundred eighty-nine".