9816402002 has 8 divisors (see below), whose sum is σ = 16063203312. Its totient is φ = 4462000900.

The previous prime is 9816401977. The next prime is 9816402019. The reversal of 9816402002 is 2002046189.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9816402002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223100024 + ... + 223100067.

It is an arithmetic number, because the mean of its divisors is an integer number (2007900414).

Almost surely, 2^9816402002 is an apocalyptic number.

9816402002 is a deficient number, since it is larger than the sum of its proper divisors (6246801310).

9816402002 is a wasteful number, since it uses less digits than its factorization.

9816402002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446200104.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 9816402002 is about 99077.7573524956. The cubic root of 9816402002 is about 2141.1681689488.

The spelling of 9816402002 in words is "nine billion, eight hundred sixteen million, four hundred two thousand, two".