6458572489 has 2 divisors, whose sum is σ = 6458572490. Its totient is φ = 6458572488.

The previous prime is 6458572487. The next prime is 6458572621. The reversal of 6458572489 is 9842758546.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3433022464 + 3025550025 = 58592^2 + 55005^2 .

It is a cyclic number.

It is not a de Polignac number, because 6458572489 - 2¹ = 6458572487 is a prime.

Together with 6458572487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6458572487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3229286244 + 3229286245.

It is an arithmetic number, because the mean of its divisors is an integer number (3229286245).

Almost surely, 2^6458572489 is an apocalyptic number.

It is an amenable number.

6458572489 is a deficient number, since it is larger than the sum of its proper divisors (1).

6458572489 is an equidigital number, since it uses as much as digits as its factorization.

6458572489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19353600, while the sum is 58.

The square root of 6458572489 is about 80365.2442850764. The cubic root of 6458572489 is about 1862.2822881056.

The spelling of 6458572489 in words is "six billion, four hundred fifty-eight million, five hundred seventy-two thousand, four hundred eighty-nine".