6868307307509 has 8 divisors (see below), whose sum is σ = 6874969946880. Its totient is φ = 6861645048816.

The previous prime is 6868307307497. The next prime is 6868307307541. The reversal of 6868307307509 is 9057037038686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6868307307509 - 2¹⁶ = 6868307241973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6868307307559) 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, 47429987 + ... + 47574575.

It is an arithmetic number, because the mean of its divisors is an integer number (859371243360).

Almost surely, 2^{6868307307509} is an apocalyptic number.

It is an amenable number.

6868307307509 is a deficient number, since it is larger than the sum of its proper divisors (6662639371).

6868307307509 is a wasteful number, since it uses less digits than its factorization.

6868307307509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190339.

The product of its (nonzero) digits is 45722880, while the sum is 62.

The spelling of 6868307307509 in words is "six trillion, eight hundred sixty-eight billion, three hundred seven million, three hundred seven thousand, five hundred nine".