1999697002 has 8 divisors (see below), whose sum is σ = 3028667616. Its totient is φ = 990141132.

The previous prime is 1999696991. The next prime is 1999697017. The reversal of 1999697002 is 2007969991.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4853428 + ... + 4853839.

It is an arithmetic number, because the mean of its divisors is an integer number (378583452).

Almost surely, 2^1999697002 is an apocalyptic number.

1999697002 is a deficient number, since it is larger than the sum of its proper divisors (1028970614).

1999697002 is a wasteful number, since it uses less digits than its factorization.

1999697002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9707372.

The product of its (nonzero) digits is 551124, while the sum is 52.

The square root of 1999697002 is about 44717.9718010556. The cubic root of 1999697002 is about 1259.8574210885.

The spelling of 1999697002 in words is "one billion, nine hundred ninety-nine million, six hundred ninety-seven thousand, two".