6558936494 has 16 divisors (see below), whose sum is σ = 10843456176. Its totient is φ = 2950598400.

The previous prime is 6558936493. The next prime is 6558936497. The reversal of 6558936494 is 4946398556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6558936493) 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 in 7 ways as a sum of consecutive naturals, for example, 1534637 + ... + 1538904.

It is an arithmetic number, because the mean of its divisors is an integer number (677716011).

Almost surely, 2^6558936494 is an apocalyptic number.

6558936494 is a deficient number, since it is larger than the sum of its proper divisors (4284519682).

6558936494 is a wasteful number, since it uses less digits than its factorization.

6558936494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073651.

The product of its digits is 27993600, while the sum is 59.

The square root of 6558936494 is about 80987.2613069488. The cubic root of 6558936494 is about 1871.8791574584.

The spelling of 6558936494 in words is "six billion, five hundred fifty-eight million, nine hundred thirty-six thousand, four hundred ninety-four".