1999194514 has 8 divisors (see below), whose sum is σ = 2999046960. Its totient is φ = 999512196.

The previous prime is 1999194493. The next prime is 1999194521. The reversal of 1999194514 is 4154919991.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7324 + ... + 63655.

It is an arithmetic number, because the mean of its divisors is an integer number (374880870).

Almost surely, 2^1999194514 is an apocalyptic number.

1999194514 is a deficient number, since it is larger than the sum of its proper divisors (999852446).

1999194514 is a wasteful number, since it uses less digits than its factorization.

1999194514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85064.

The product of its digits is 524880, while the sum is 52.

The square root of 1999194514 is about 44712.3530358222. The cubic root of 1999194514 is about 1259.7518857218.

The spelling of 1999194514 in words is "one billion, nine hundred ninety-nine million, one hundred ninety-four thousand, five hundred fourteen".