2009281820102 has 4 divisors (see below), whose sum is σ = 3013922730156. Its totient is φ = 1004640910050.

The previous prime is 2009281820093. The next prime is 2009281820123. The reversal of 2009281820102 is 2010281829002.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502320455024 + ... + 502320455027.

It is an arithmetic number, because the mean of its divisors is an integer number (753480682539).

Almost surely, 2^{2009281820102} is an apocalyptic number.

2009281820102 is a deficient number, since it is larger than the sum of its proper divisors (1004640910054).

2009281820102 is a wasteful number, since it uses less digits than its factorization.

2009281820102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004640910053.

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 2009281820102 in words is "two trillion, nine billion, two hundred eighty-one million, eight hundred twenty thousand, one hundred two".