8609210727412 has 24 divisors (see below), whose sum is σ = 16502442473160. Its totient is φ = 3911690065920.

The previous prime is 8609210727379. The next prime is 8609210727413. The reversal of 8609210727412 is 2147270129068.

It can be written as a sum of positive squares in 4 ways, for example, as 4842094626576 + 3767116100836 = 2200476^2 + 1940906^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8609210727413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2182860789 + ... + 2182864732.

It is an arithmetic number, because the mean of its divisors is an integer number (687601769715).

Almost surely, 2^{8609210727412} is an apocalyptic number.

It is an amenable number.

8609210727412 is a deficient number, since it is larger than the sum of its proper divisors (7893231745748).

8609210727412 is a wasteful number, since it uses less digits than its factorization.

8609210727412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4365725571 (or 4365725569 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 8609210727412 in words is "eight trillion, six hundred nine billion, two hundred ten million, seven hundred twenty-seven thousand, four hundred twelve".