6455534489 has 2 divisors, whose sum is σ = 6455534490. Its totient is φ = 6455534488.

The previous prime is 6455534417. The next prime is 6455534509. The reversal of 6455534489 is 9844355546.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4345050889 + 2110483600 = 65917^2 + 45940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6455534489 is a prime.

It is a super-2 number, since 2×6455534489² = 83347851077336982242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6455534489.

It is not a weakly prime, because it can be changed into another prime (6455534689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227767244 + 3227767245.

It is an arithmetic number, because the mean of its divisors is an integer number (3227767245).

Almost surely, 2^6455534489 is an apocalyptic number.

It is an amenable number.

6455534489 is a deficient number, since it is larger than the sum of its proper divisors (1).

6455534489 is an equidigital number, since it uses as much as digits as its factorization.

6455534489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368000, while the sum is 53.

The square root of 6455534489 is about 80346.3408563203. The cubic root of 6455534489 is about 1861.9902472605.

The spelling of 6455534489 in words is "six billion, four hundred fifty-five million, five hundred thirty-four thousand, four hundred eighty-nine".