1999850793 has 16 divisors (see below), whose sum is σ = 2714419200. Its totient is φ = 1309435920.

The previous prime is 1999850791. The next prime is 1999850813. The reversal of 1999850793 is 3970589991.

It is not a de Polignac number, because 1999850793 - 2¹ = 1999850791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1999850791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23178 + ... + 67356.

It is an arithmetic number, because the mean of its divisors is an integer number (169651200).

Almost surely, 2^1999850793 is an apocalyptic number.

It is an amenable number.

1999850793 is a deficient number, since it is larger than the sum of its proper divisors (714568407).

1999850793 is a wasteful number, since it uses less digits than its factorization.

1999850793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44452.

The product of its (nonzero) digits is 5511240, while the sum is 60.

The square root of 1999850793 is about 44719.6913339079. The cubic root of 1999850793 is about 1259.8897176090.

The spelling of 1999850793 in words is "one billion, nine hundred ninety-nine million, eight hundred fifty thousand, seven hundred ninety-three".