6489794845518 has 64 divisors (see below), whose sum is σ = 13427899269120. Its totient is φ = 2089759557600.

The previous prime is 6489794845487. The next prime is 6489794845549. The reversal of 6489794845518 is 8155484979846.

It is an interprime number because it is at equal distance from previous prime (6489794845487) and next prime (6489794845549).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71043453 + ... + 71134743.

It is an arithmetic number, because the mean of its divisors is an integer number (209810926080).

Almost surely, 2^{6489794845518} is an apocalyptic number.

6489794845518 is an abundant number, since it is smaller than the sum of its proper divisors (6938104423602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6489794845518 is a wasteful number, since it uses less digits than its factorization.

6489794845518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94613.

The product of its digits is 2786918400, while the sum is 78.

The spelling of 6489794845518 in words is "six trillion, four hundred eighty-nine billion, seven hundred ninety-four million, eight hundred forty-five thousand, five hundred eighteen".