6458356898225 has 12 divisors (see below), whose sum is σ = 8008511659056. Its totient is φ = 5166589321680.

The previous prime is 6458356898179. The next prime is 6458356898239. The reversal of 6458356898225 is 5228986538546.

It is a de Polignac number, because none of the positive numbers 2^k-6458356898225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1019687 + ... + 3735836.

It is an arithmetic number, because the mean of its divisors is an integer number (667375971588).

Almost surely, 2^{6458356898225} is an apocalyptic number.

It is an amenable number.

6458356898225 is a deficient number, since it is larger than the sum of its proper divisors (1550154760831).

6458356898225 is a wasteful number, since it uses less digits than its factorization.

6458356898225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4809856 (or 4809851 counting only the distinct ones).

The product of its digits is 995328000, while the sum is 71.

The spelling of 6458356898225 in words is "six trillion, four hundred fifty-eight billion, three hundred fifty-six million, eight hundred ninety-eight thousand, two hundred twenty-five".