6830745512 has 8 divisors (see below), whose sum is σ = 12807647850. Its totient is φ = 3415372752.

The previous prime is 6830745511. The next prime is 6830745539. The reversal of 6830745512 is 2155470386.

It can be written as a sum of positive squares in only one way, i.e., 6644532196 + 186213316 = 81514^2 + 13646^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 6830745512.

It is not an unprimeable number, because it can be changed into a prime (6830745511) 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, 426921587 + ... + 426921602.

Almost surely, 2^6830745512 is an apocalyptic number.

It is an amenable number.

6830745512 is a deficient number, since it is larger than the sum of its proper divisors (5976902338).

6830745512 is a wasteful number, since it uses less digits than its factorization.

6830745512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853843195 (or 853843191 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 6830745512 is about 82648.3243145316. The cubic root of 6830745512 is about 1897.3875001333.

The spelling of 6830745512 in words is "six billion, eight hundred thirty million, seven hundred forty-five thousand, five hundred twelve".