8102443512709 has 64 divisors (see below), whose sum is σ = 10720829952000. Its totient is φ = 5941131660288.

The previous prime is 8102443512707. The next prime is 8102443512719. The reversal of 8102443512709 is 9072153442018.

It is a cyclic number.

It is not a de Polignac number, because 8102443512709 - 2¹ = 8102443512707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8102443512707) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 275587992 + ... + 275617390.

It is an arithmetic number, because the mean of its divisors is an integer number (167512968000).

Almost surely, 2^{8102443512709} is an apocalyptic number.

It is an amenable number.

8102443512709 is a deficient number, since it is larger than the sum of its proper divisors (2618386439291).

8102443512709 is a wasteful number, since it uses less digits than its factorization.

8102443512709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32162.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 8102443512709 in words is "eight trillion, one hundred two billion, four hundred forty-three million, five hundred twelve thousand, seven hundred nine".