1999119802 has 16 divisors (see below), whose sum is σ = 3015371520. Its totient is φ = 994007952.

The previous prime is 1999119769. The next prime is 1999119817. The reversal of 1999119802 is 2089119991.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405283 + ... + 410185.

It is an arithmetic number, because the mean of its divisors is an integer number (188460720).

Almost surely, 2^1999119802 is an apocalyptic number.

1999119802 is a deficient number, since it is larger than the sum of its proper divisors (1016251718).

1999119802 is a wasteful number, since it uses less digits than its factorization.

1999119802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5997.

The product of its (nonzero) digits is 104976, while the sum is 49.

The square root of 1999119802 is about 44711.5175542052. The cubic root of 1999119802 is about 1259.7361927757.

It can be divided in two parts, 19991 and 19802, that added together give a palindrome (39793).

The spelling of 1999119802 in words is "one billion, nine hundred ninety-nine million, one hundred nineteen thousand, eight hundred two".