2009986479384 has 128 divisors (see below), whose sum is σ = 5502391050240. Its totient is φ = 608156301312.

The previous prime is 2009986479377. The next prime is 2009986479401. The reversal of 2009986479384 is 4839746899002.

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 in 31 ways as a sum of consecutive naturals, for example, 4253059 + ... + 4701965.

It is an arithmetic number, because the mean of its divisors is an integer number (42987430080).

Almost surely, 2^{2009986479384} is an apocalyptic number.

2009986479384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2009986479384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2751195525120).

2009986479384 is an abundant number, since it is smaller than the sum of its proper divisors (3492404570856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2009986479384 is a wasteful number, since it uses less digits than its factorization.

2009986479384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449169 (or 449165 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 69.

The spelling of 2009986479384 in words is "two trillion, nine billion, nine hundred eighty-six million, four hundred seventy-nine thousand, three hundred eighty-four".