8691905444412 has 48 divisors (see below), whose sum is σ = 20305998003200. Its totient is φ = 2893747654080.

The previous prime is 8691905444393. The next prime is 8691905444413. The reversal of 8691905444412 is 2144445091968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8691905444413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85515462 + ... + 85617042.

Almost surely, 2^{8691905444412} is an apocalyptic number.

It is an amenable number.

8691905444412 is an abundant number, since it is smaller than the sum of its proper divisors (11614092558788).

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

8691905444412 is a wasteful number, since it uses less digits than its factorization.

8691905444412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110266 (or 110264 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 8691905444412 in words is "eight trillion, six hundred ninety-one billion, nine hundred five million, four hundred forty-four thousand, four hundred twelve".