2085819950 has 24 divisors (see below), whose sum is σ = 3880840152. Its totient is φ = 834066720.

The previous prime is 2085819949. The next prime is 2085819959. The reversal of 2085819950 is 599185802.

It is a junction number, because it is equal to n+sod(n) for n = 2085819895 and 2085819904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085819959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274097 + ... + 281603.

It is an arithmetic number, because the mean of its divisors is an integer number (161701673).

Almost surely, 2^2085819950 is an apocalyptic number.

2085819950 is a deficient number, since it is larger than the sum of its proper divisors (1795020202).

2085819950 is a wasteful number, since it uses less digits than its factorization.

2085819950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13076 (or 13071 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 47.

The square root of 2085819950 is about 45670.7778563054. Note that the first 3 decimals coincide. The cubic root of 2085819950 is about 1277.6903233711.

The spelling of 2085819950 in words is "two billion, eighty-five million, eight hundred nineteen thousand, nine hundred fifty".