6458128979 has 2 divisors, whose sum is σ = 6458128980. Its totient is φ = 6458128978.

The previous prime is 6458128969. The next prime is 6458129011. The reversal of 6458128979 is 9798218546.

6458128979 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6458128979 - 2³² = 2163161683 is a prime.

It is not a weakly prime, because it can be changed into another prime (6458128939) 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, 3229064489 + 3229064490.

It is an arithmetic number, because the mean of its divisors is an integer number (3229064490).

Almost surely, 2^6458128979 is an apocalyptic number.

6458128979 is a deficient number, since it is larger than the sum of its proper divisors (1).

6458128979 is an equidigital number, since it uses as much as digits as its factorization.

6458128979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 59.

The square root of 6458128979 is about 80362.4848981165. The cubic root of 6458128979 is about 1862.2396595048.

The spelling of 6458128979 in words is "six billion, four hundred fifty-eight million, one hundred twenty-eight thousand, nine hundred seventy-nine".