2085699849 has 8 divisors (see below), whose sum is σ = 2806446720. Its totient is φ = 1377709776.

The previous prime is 2085699829. The next prime is 2085699851. The reversal of 2085699849 is 9489965802.

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

It is not a de Polignac number, because 2085699849 - 2¹⁵ = 2085667081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2085699792 and 2085699801.

It is not an unprimeable number, because it can be changed into a prime (2085699829) 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, 3188817 + ... + 3189470.

It is an arithmetic number, because the mean of its divisors is an integer number (350805840).

Almost surely, 2^2085699849 is an apocalyptic number.

It is an amenable number.

2085699849 is a deficient number, since it is larger than the sum of its proper divisors (720746871).

2085699849 is a wasteful number, since it uses less digits than its factorization.

2085699849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378399.

The product of its (nonzero) digits is 11197440, while the sum is 60.

The square root of 2085699849 is about 45669.4629812964. The cubic root of 2085699849 is about 1277.6657998688.

The spelling of 2085699849 in words is "two billion, eighty-five million, six hundred ninety-nine thousand, eight hundred forty-nine".