686094167039 has 8 divisors (see below), whose sum is σ = 699070638240. Its totient is φ = 673118855136.

The previous prime is 686094166999. The next prime is 686094167041. The reversal of 686094167039 is 930761490686.

It is a happy number.

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 686094167039 - 2²⁰ = 686093118463 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 (686094160039) 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, 955094 + ... + 1511420.

It is an arithmetic number, because the mean of its divisors is an integer number (87383829780).

Almost surely, 2^686094167039 is an apocalyptic number.

686094167039 is a deficient number, since it is larger than the sum of its proper divisors (12976471201).

686094167039 is a wasteful number, since it uses less digits than its factorization.

686094167039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579649.

The product of its (nonzero) digits is 11757312, while the sum is 59.

The spelling of 686094167039 in words is "six hundred eighty-six billion, ninety-four million, one hundred sixty-seven thousand, thirty-nine".