2685723349247 has 8 divisors (see below), whose sum is σ = 2776018580880. Its totient is φ = 2596920600960.

The previous prime is 2685723349237. The next prime is 2685723349297. The reversal of 2685723349247 is 7429433275862.

2685723349247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2685723349247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2685723349247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685723349207) 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, 373117178 + ... + 373124375.

It is an arithmetic number, because the mean of its divisors is an integer number (347002322610).

Almost surely, 2^{2685723349247} is an apocalyptic number.

2685723349247 is a deficient number, since it is larger than the sum of its proper divisors (90295231633).

2685723349247 is an equidigital number, since it uses as much as digits as its factorization.

2685723349247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746241673.

The product of its digits is 121927680, while the sum is 62.

The spelling of 2685723349247 in words is "two trillion, six hundred eighty-five billion, seven hundred twenty-three million, three hundred forty-nine thousand, two hundred forty-seven".