2001986902 has 8 divisors (see below), whose sum is σ = 3066873696. Its totient is φ = 979695672.

The previous prime is 2001986887. The next prime is 2001986911. The reversal of 2001986902 is 2096891002.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10648773 + ... + 10648960.

It is an arithmetic number, because the mean of its divisors is an integer number (383359212).

Almost surely, 2^2001986902 is an apocalyptic number.

2001986902 is a deficient number, since it is larger than the sum of its proper divisors (1064886794).

2001986902 is a wasteful number, since it uses less digits than its factorization.

2001986902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21297782.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 2001986902 is about 44743.5682752281. The cubic root of 2001986902 is about 1260.3381350831.

The spelling of 2001986902 in words is "two billion, one million, nine hundred eighty-six thousand, nine hundred two".