2685920123850 has 24 divisors (see below), whose sum is σ = 6661081907520. Its totient is φ = 716245366320.

The previous prime is 2685920123849. The next prime is 2685920123869. The reversal of 2685920123850 is 583210295862.

2685920123850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2685920123793 and 2685920123802.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8953066930 + ... + 8953067229.

It is an arithmetic number, because the mean of its divisors is an integer number (277545079480).

Almost surely, 2^{2685920123850} is an apocalyptic number.

2685920123850 is an abundant number, since it is smaller than the sum of its proper divisors (3975161783670).

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

2685920123850 is a wasteful number, since it uses less digits than its factorization.

2685920123850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17906134174 (or 17906134169 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

It can be divided in two parts, 268592012 and 3850, that added together give a palindrome (268595862).

The spelling of 2685920123850 in words is "two trillion, six hundred eighty-five billion, nine hundred twenty million, one hundred twenty-three thousand, eight hundred fifty".